Download websites that use Haskell
98 live sites using Haskell right now
Programming languages · since 1990 · open source
98 sites
Dataset updated · 2026-10-03
Categories
Programming languages
🔒 Get the list
Requires a dataset purchase
All figures here come from one snapshot of the webatla database, taken on this date (UTC). We usually refresh it every day.
98
Sites detected
0.0%
Of all websites
Preview Haskell site datasets
Haskell detection is a value inside the Technologies column. Two datasets carry it, switch between them to compare what's included.
webatla-technologies-haskell-2026-10-03.jsonl.zst · 98 rows · 14 columns
Daily fresh export
| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | PR value | Harmonic value | Domain creation date | Domain expiration date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| undergroundmathematics.org | org | org | ICANN | HTTP 200 | 54.155.231.12 | IE | {"x-twitter":["https://twitter.com/UndergroundMath","https://twitter.com/cambridgemaths"]} | 2026-09-20 | Google Analytics GA4 G-EB3PK96QD8, PWA, HSTS, Warp 3.3.15, cdnjs, jQuery 2.1.4, GoDaddy, Haskell, MathJax 2.7.1, AngularJS 1.4.7 | 0.0000000437185 | 14,018,534 | 2015-11-25 | 2026-11-25 |
| battleship-fp.com | com | com | ICANN | HTTP 200 | 162.243.164.22 | US | {"github":["https://github.com/DKurilo/battleship"]} | 2026-09-28 | PWA, Snap 1.1.1.1, Favicon, Haskell | 0.00000000958577 | 13,592,756 | 2018-11-20 | 2026-11-20 |
| bradparker.com | com | com | ICANN | HTTP 200 | 170.64.191.221 | AU | {"github":["https://github.com/bradparker"]} | 2026-09-29 | Warp 3.4.7, HTTP/2, Favicon, Haskell, Tachyons, Proton Mail | 0.00000000726893 | 12,683,115 | 2002-04-29 | 2027-04-29 |
| syakerake.jp | jp | jp | ICANN | HTTP 200 | 13.226.244.108 | US | {"x-twitter":["https://twitter.com/SYAKERAKE"]} | 2026-09-20 | Google AdSense ca-pub-5791697675531279, Google Analytics UA UA-101654359-2, RSS, Warp 3.3.20, cdnjs, HTTP/2, Popper 1.13.0, jQuery 3.4.1, Favicon, Haskell | 0.00000000714743 | 13,198,495 | 2014-12-17 | 2026-12-31 |
| undergroundmathematics.co.uk | co.uk | uk | ICANN | HTTP 200 | 54.155.231.12 | IE | {"x-twitter":["https://twitter.com/UndergroundMath","https://twitter.com/cambridgemaths"]} | 2026-09-21 | Google Analytics GA4 G-EB3PK96QD8, PWA, HSTS, Warp 3.3.15, cdnjs, jQuery 2.1.4, GoDaddy, Haskell, MathJax 2.7.1, AngularJS 1.4.7 | 0.00000000420342 | 11 | 2015-11-25 | 2026-11-25 |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … |
| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | DNS last data checked | DNS Status | DNS records | PR value | Harmonic value | RDAP/WHOIS last data checked | RDAP/WHOIS method | Domain creation date | Domain expiration date | Domain last changed | Registrar | RDAP/WHOIS Record | Response Status RDAP/WHOIS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| undergroundmathematics.org | org | org | ICANN | HTTP 200 | 54.155.231.12 | IE | {"x-twitter":["https://twitter.com/UndergroundMath","https://twitter.com/cambridgemaths"]} | 2026-09-20 | Google Analytics GA4 G-EB3PK96QD8, PWA, HSTS, Warp 3.3.15, cdnjs, jQuery 2.1.4, GoDaddy, Haskell, MathJax 2.7.1, AngularJS 1.4.7 | 2026-09-25 | TRUE | {"A":["54.155.231.12"],"MX":[{"host":"mx00.1and1.co.uk","priority":10},{"host":"mx01.1and1.co.uk","priority":20}],"NS":["ns29.domaincontrol.com","ns30.domaincontrol.com"],"SOA":{"mname":"ns29.domaincontrol.com","retry":7200,"rname":"dns.jomax.net","expire":604800,"serial":2023092500,"minimum":600,"refresh":28800},"TXT":["google-site-verification=ghpWZWtkxsi1e60mcZKmsX1LVJ9DpDu2KemhvwBUdS4","v=spf1 include:_spf-eu.ionos.com include:_spf.perfora.net include:_spf.kundenserver.de ~all"]} | 0.0000000437185 | 14,018,534 | 2025-08-15 | RDAP | 2015-11-25 | 2026-11-25 | 2025-08-15 | GoDaddy.com, LLC | {"raw_response":{"links":[{"rel":"related","href":"https://rdap.godaddy.com/v1/domain/undergroundmathematics.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/undergroundmathematics.org"},{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/domain/undergroundmathematics.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/undergroundmathematics.org"}],"events":[{"eventDate":"2026-11-25T17:23:31.499Z","eventAction":"expiration"},{"eventDate":"2015-11-25T17:23:31.499Z","eventAction":"registration"},{"eventDate":"2025-01-09T17:24:22.803Z","eventAction":"last changed"},{"eventDate":"2025-08-15T17:01:08.375Z","eventAction":"last update of RDAP database"}],"status":["client delete prohibited","client renew prohibited","client transfer prohibited","client update prohibited"],"ldhName":"undergroundmathematics.org","notices":[{"links":[{"rel":"terms-of-service","href":"https://thenew.org/org-people/about-pir/policies/","type":"text/html","value":"https://rdap.publicinterestregistry.org/rdap/domain/undergroundmathematics.org"}],"title":"Terms of Service","description":["Public Interest Registry provides this RDAP service for informational purposes only, and to assist persons in obtaining information about or related to a domain name registration record. Public Interest Registry does not guarantee its accuracy. Users accessing the Public Interest Registry RDAP service agree to use the data only for lawful purposes, and under no circumstances may this data be used to: a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the registrar's own existing customers and b) enable high volume, automated, electronic processes that send queries or data to the systems of Public Interest Registry or any ICANN-accredited registrar, except as reasonably necessary to register domain names or modify existing registrations. When using the Public Interest Registry RDAP service, please consider the following: the RDAP service is not a replacement for standard EPP commands to the SRS service. RDAP is not considered authoritative for registered domain objects. The RDAP service may be scheduled for downtime during production or OT&E maintenance periods. Queries to the RDAP services are throttled. If too many queries are received from a single IP address within a specified time, the service will begin to reject further queries for a period of time to prevent disruption of RDAP service access. Abuse of the RDAP system through data mining is mitigated by detecting and limiting bulk query access from single sources. Where applicable, the presence of a [Non-Public Data] tag indicates that such data is not made publicly available due to applicable data privacy laws or requirements. Should you wish to contact the registrant, please refer to the RDAP records available through the registrar URL listed above. Access to non-public data may be provided, upon request, where it can be reasonably confirmed that the requester holds a specific legitimate interest and a proper legal basis for accessing the withheld data. Access to this data can be requested by submitting a request to WHOISrequest@pir.org. Public Interest Registry Inc. reserves the right to modify these terms at any time. By submitting this query, you agree to abide by this policy."]},{"links":[{"rel":"glossary","href":"https://icann.org/epp","type":"application/rdap+json","value":"https://icann.org/epp"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/undergroundmathematics.org"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"roles":["registrant"],"events":[{"eventDate":"2025-08-15T17:01:08.375Z","eventAction":"last update of RDAP database"}],"remarks":[{"type":"object redacted due to authorization","title":"REDACTED","description":["Some of the data in this object has been removed."]}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["org",{"type":"work"},"text","Domains By Proxy, LLC"],["adr",{"cc":"US"},"text",["","","","","Arizona","",""]]]],"objectClassName":"entity"},{"links":[{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/entity/146","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/entity/146"},{"rel":"about","href":"https://rdap.godaddy.com/v1","type":"application/rdap+json","value":"https://rdap.godaddy.com/v1"}],"roles":["registrar"],"handle":"146","entities":[{"roles":["abuse"],"handle":"2e245ac341044535ad2f256defd5d975-LROR","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Domains Abuse"],["tel",{"type":"voice"},"uri","tel:+1.4806242505"],["email",{},"text","abuse@godaddy.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"146"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GoDaddy.com, LLC"]]],"objectClassName":"entity"}],"redacted":[{"name":{"type":"Registry Domain ID"},"method":"removal","prePath":"$.handle","pathLang":"jsonpath"},{"name":{"type":"Registry Registrant ID"},"method":"removal","prePath":"$.entities[?(@.roles[0]=='registrant')].handle","pathLang":"jsonpath"},{"name":{"type":"Registrant Name"},"method":"emptyValue","pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='fn')][3]"},{"name":{"type":"Registrant Street"},"method":"emptyValue","pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][:3]"},{"name":{"type":"Registrant City"},"method":"emptyValue","pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][3]"},{"name":{"type":"Registrant Postal Code"},"method":"emptyValue","pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][5]"},{"name":{"type":"Registrant Phone"},"method":"removal","prePath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[1].type=='voice')]","pathLang":"jsonpath"},{"name":{"type":"Registrant Email"},"method":"removal","prePath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='email')]","pathLang":"jsonpath"},{"name":{"description":"Administrative Contact"},"method":"removal"},{"name":{"description":"Technical Contact"},"method":"removal"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"146"}],"secureDNS":{"maxSigLife":1,"delegationSigned":false},"nameservers":[{"handle":"b2117f24a29044daa8bf1d3a5be918cb-LROR","status":["associated"],"ldhName":"ns29.domaincontrol.com","unicodeName":"ns29.domaincontrol.com","objectClassName":"nameserver"},{"handle":"be4cb262f6f3462dae5ef2d8490aba5b-LROR","status":["associated"],"ldhName":"ns30.domaincontrol.com","unicodeName":"ns30.domaincontrol.com","objectClassName":"nameserver"}],"unicodeName":"undergroundmathematics.org","objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_response_profile_1","icann_rdap_technical_implementation_guide_1","redacted"]}} | Domain is active |
| battleship-fp.com | com | com | ICANN | HTTP 200 | 162.243.164.22 | US | {"github":["https://github.com/DKurilo/battleship"]} | 2026-09-28 | PWA, Snap 1.1.1.1, Favicon, Haskell | 2026-09-28 | TRUE | {"A":["162.243.164.22"],"NS":["ns1.digitalocean.com","ns2.digitalocean.com","ns3.digitalocean.com"],"SOA":{"mname":"ns1.digitalocean.com","retry":3600,"rname":"hostmaster.battleship-fp.com","expire":604800,"serial":0,"minimum":1800,"refresh":10800}} | 0.00000000958577 | 13,592,756 | 2025-11-06 | RDAP | 2018-11-20 | 2026-11-20 | 2025-11-06 | Tucows Domains Inc. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/BATTLESHIP-FP.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/BATTLESHIP-FP.COM"},{"rel":"related","href":"https://opensrs.rdap.tucows.com/domain/BATTLESHIP-FP.COM","type":"application/rdap+json","value":"https://opensrs.rdap.tucows.com/domain/BATTLESHIP-FP.COM"}],"events":[{"eventDate":"2018-11-20T02:44:23Z","eventAction":"registration"},{"eventDate":"2026-11-20T02:44:23Z","eventAction":"expiration"},{"eventDate":"2025-11-04T09:35:51Z","eventAction":"last changed"},{"eventDate":"2025-11-06T08:15:46Z","eventAction":"last update of RDAP database"}],"handle":"2334628231_DOMAIN_COM-VRSN","status":["client transfer prohibited","client update prohibited"],"ldhName":"BATTLESHIP-FP.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/battleship-fp.com"}],"title":"Terms of Service","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/battleship-fp.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://www.tucows.com","type":"text/html","value":"https://opensrs.rdap.tucows.com/"}],"roles":["registrar"],"handle":"69","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.4165350123"],["email",{},"text","domainabuse@tucows.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"69"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Tucows Domains Inc."]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS1.DIGITALOCEAN.COM","objectClassName":"nameserver"},{"ldhName":"NS2.DIGITALOCEAN.COM","objectClassName":"nameserver"},{"ldhName":"NS3.DIGITALOCEAN.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| bradparker.com | com | com | ICANN | HTTP 200 | 170.64.191.221 | AU | {"github":["https://github.com/bradparker"]} | 2026-09-29 | Warp 3.4.7, HTTP/2, Favicon, Haskell, Tachyons, Proton Mail | 2026-09-18 | TRUE | {"A":["170.64.191.221"],"MX":[{"host":"mail.protonmail.ch","priority":10},{"host":"mailsec.protonmail.ch","priority":20}],"NS":["ns1.digitalocean.com","ns2.digitalocean.com","ns3.digitalocean.com"],"SOA":{"mname":"ns1.digitalocean.com","retry":3600,"rname":"hostmaster.bradparker.com","expire":604800,"serial":0,"minimum":1800,"refresh":10800},"TXT":["protonmail-verification=9dedcd008c0b4a6e2aaa0f292a811d155700ac1e","v=spf1 include:_spf.protonmail.ch mx ~all"]} | 0.00000000726893 | 12,683,115 | 2026-04-20 | RDAP | 2002-04-29 | 2027-04-29 | 2026-04-15 | Synergy Wholesale Accreditations Pty Ltd | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/BRADPARKER.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/BRADPARKER.COM"},{"rel":"related","href":"https://rdap.synergywholesale.com/domain/BRADPARKER.COM","type":"application/rdap+json","value":"https://rdap.synergywholesale.com/domain/BRADPARKER.COM"}],"events":[{"eventDate":"2002-04-29T08:09:04Z","eventAction":"registration"},{"eventDate":"2027-04-29T08:09:04Z","eventAction":"expiration"},{"eventDate":"2026-04-15T04:24:47Z","eventAction":"last changed"},{"eventDate":"2026-04-19T23:35:34Z","eventAction":"last update of RDAP database"}],"handle":"86064213_DOMAIN_COM-VRSN","status":["client transfer prohibited"],"ldhName":"BRADPARKER.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/bradparker.com"}],"title":"Terms of Service","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/bradparker.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://synergywholesale.com","type":"text/html","value":"https://rdap.synergywholesale.com/"}],"roles":["registrar"],"handle":"1609","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+61.383999483"],["email",{},"text","registry-abuse@nexigen.digital"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"1609"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Synergy Wholesale Accreditations Pty Ltd"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS1.DIGITALOCEAN.COM","objectClassName":"nameserver"},{"ldhName":"NS2.DIGITALOCEAN.COM","objectClassName":"nameserver"},{"ldhName":"NS3.DIGITALOCEAN.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| syakerake.jp | jp | jp | ICANN | HTTP 200 | 13.226.244.108 | US | {"x-twitter":["https://twitter.com/SYAKERAKE"]} | 2026-09-20 | Google AdSense ca-pub-5791697675531279, Google Analytics UA UA-101654359-2, RSS, Warp 3.3.20, cdnjs, HTTP/2, Popper 1.13.0, jQuery 3.4.1, Favicon, Haskell | 2026-09-28 | TRUE | {"A":["13.226.244.108","13.226.244.29","13.226.244.62","13.226.244.85"],"MX":[{"host":"alt1.aspmx.l.google.com","priority":5},{"host":"alt2.aspmx.l.google.com","priority":5},{"host":"aspmx.l.google.com","priority":1},{"host":"aspmx2.googlemail.com","priority":10},{"host":"aspmx3.googlemail.com","priority":10}],"NS":["ns-1000.awsdns-61.net","ns-1364.awsdns-42.org","ns-1571.awsdns-04.co.uk","ns-242.awsdns-30.com"],"SOA":{"mname":"ns-1000.awsdns-61.net","retry":900,"rname":"awsdns-hostmaster.amazon.com","expire":1209600,"serial":1,"minimum":86400,"refresh":7200},"TXT":["v=spf1 include:_spf.google.com include:amazonses.com ~all"],"AAAA":["2600:9000:2090:4400:13:f70f:d580:93a1","2600:9000:2090:4e00:13:f70f:d580:93a1","2600:9000:2090:7800:13:f70f:d580:93a1","2600:9000:2090:8400:13:f70f:d580:93a1","2600:9000:2090:9800:13:f70f:d580:93a1","2600:9000:2090:ac00:13:f70f:d580:93a1","2600:9000:2090:b200:13:f70f:d580:93a1","2600:9000:2090:b800:13:f70f:d580:93a1"]} | 0.00000000714743 | 13,198,495 | 2026-01-07 | WHOIS | 2014-12-17 | 2026-12-31 | 2026-01-01 | Syake Corporation | {"raw_response":"[ JPRS database provides information on network administration. Its use is ]\r\n[ restricted to network administration purposes. For further information, ]\r\n[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]\r\n[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]\r\nDomain Information:\r\n[Domain Name] SYAKERAKE.JP\r\n\r\n[Registrant] Syake Corporation\r\n\r\n[Name Server] ns-1364.awsdns-42.org\r\n[Name Server] ns-242.awsdns-30.com\r\n[Name Server] ns-1000.awsdns-61.net\r\n[Name Server] ns-1571.awsdns-04.co.uk\r\n[Signing Key] \r\n\r\n[Created on] 2014/12/17\r\n[Expires on] 2026/12/31\r\n[Status] Active\r\n[Last Updated] 2026/01/01 16:13:56 (JST)\r\n\r\nContact Information:\r\n[Name] Dan Miyoshi\r\n[Email] dan-miyoshi@syake.co.jp\r\n[Web Page] \r\n[Postal code] 214-0034\r\n[Postal Address] \r\n[Phone] +81.8035253831\r\n[Fax] \r\n\r\n"} | Domain is active |
| undergroundmathematics.co.uk | co.uk | uk | ICANN | HTTP 200 | 54.155.231.12 | IE | {"x-twitter":["https://twitter.com/UndergroundMath","https://twitter.com/cambridgemaths"]} | 2026-09-21 | Google Analytics GA4 G-EB3PK96QD8, PWA, HSTS, Warp 3.3.15, cdnjs, jQuery 2.1.4, GoDaddy, Haskell, MathJax 2.7.1, AngularJS 1.4.7 | 2026-09-19 | TRUE | {"A":["54.155.231.12"],"MX":[{"host":"mailstore1.secureserver.net","priority":10},{"host":"smtp.secureserver.net","priority":0}],"NS":["ns29.domaincontrol.com","ns30.domaincontrol.com"],"SOA":{"mname":"ns29.domaincontrol.com","retry":7200,"rname":"dns.jomax.net","expire":604800,"serial":2021070700,"minimum":600,"refresh":28800}} | 0.00000000420342 | 11 | 2025-08-03 | RDAP | 2015-11-25 | 2026-11-25 | 2025-08-03 | GoDaddy.com, LLC. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.nominet.uk/uk/domain/undergroundmathematics.co.uk","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/domain/undergroundmathematics.co.uk"}],"events":[{"eventDate":"2015-11-25T17:24:21Z","eventActor":"GODADDY","eventAction":"registration"},{"eventDate":"2024-11-26T10:55:01.701872Z","eventAction":"last changed"},{"eventDate":"2026-11-25T17:24:21Z","eventAction":"expiration"},{"eventDate":"2019-09-09T06:14:08Z","eventAction":"transfer"},{"eventDate":"2025-08-03T21:26:20.697Z","eventAction":"last update of RDAP database"}],"handle":"D_58565133-UK","status":["client transfer prohibited","client update prohibited","client delete prohibited","client renew prohibited"],"ldhName":"undergroundmathematics.co.uk","notices":[{"links":[{"rel":"related","href":"https://nominet.uk/rdap-tos","type":"text/html","value":"https://nominet.uk/rdap-tos"}],"title":"Terms of Service","description":["The Registry Operator, offers this Registration Data Access Protocol (RDAP) service and provides access to the records in the RDAP database for information purposes only, to assist you in obtaining information about the registration records of existing domain names. The stored information in the RDAP database is provided as is. We do not guarantee its accuracy or completeness, and cannot be held liable if the stored information in the RDAP database is wrong, incomplete, or inaccurate in any way. By querying the RDAP database in any way, you agree that you will not use this data: (i) to allow, enable or otherwise support the transmission of unsolicited, commercial advertising or other solicitations in any form or by any means; (ii) to enable high volume, automated, electronic processes that query or send data to the Registry Operator or any registrar or registrant; (iii) for target advertising; (iv) to cause nuisance to registrants by sending (by any means) messages to or contacting them; (v) to violate any law, rule, regulation or statute; and/or (vi) in violation of applicable data and privacy protection acts. You are explicitly prohibited from extracting, copying and/or using or re-using in any form and by any means (electronically or not) all or part (quantitatively or qualitatively) of the contents of the RDAP database without prior and explicit permission from the Registry Operator. Any copying or transmission of data for commercial purposes violates this prohibition. You agree that we can take measures to limit the use of the RDAP service to protect the privacy of registrants or the integrity of the database. We reserve the right to make changes to this website, the RDAP service, and these Terms and Conditions at any time without prior notice to you. You should review these Terms and Conditions each time you access or use the RDAP database and the RDAP service to learn of any changes. If you do not agree to the changes we have made, your only remedy is to stop your use of the RDAP database and the RDAP service. By executing a query, in any means whatsoever, you agree to these Terms of Service."]},{"links":[{"rel":"related","href":"https://icann.org/epp","type":"text/html","value":"https://icann.org/epp"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"related","href":"https://www.nominet.uk/complaints/#complaining-about-incorrect-whois-data","type":"text/html","value":"https://www.nominet.uk/complaints/#complaining-about-incorrect-whois-data"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the Nominet WHOIS data complaint process: https://www.nominet.uk/complaints/#complaining-about-incorrect-whois-data"]}],"entities":[{"links":[{"rel":"self","href":"https://rdap.nominet.uk/uk/entity/GODADDY","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/entity/GODADDY"}],"roles":["registrar"],"handle":"GODADDY","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Abuse contact"],["tel",{"type":"voice"},"uri","tel:+1.4806242505"],["email",{},"text","abuse@godaddy.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"Registry Identifier","identifier":"GODADDY"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GoDaddy.com, LLC."],["tel",{"type":"voice"},"text","020-7084-1810"],["url",{},"uri","http://uk.godaddy.com"]]],"objectClassName":"entity"},{"roles":["registrant"],"events":[{"eventDate":"2024-06-23T23:39:55Z","eventAction":"registration"}],"status":["validated"],"remarks":[{"type":"object redacted due to authorization","title":"REDACTED FOR PRIVACY","description":["Some of the data in this object has been removed"]},{"type":"object redacted due to authorization","title":"EMAIL REDACTED FOR PRIVACY","description":["This data is not generally available, if you have legitimate reason to request access please review Nominets data release process."]},{"title":"Data Quality","description":["Name validated.","Address validated.","Nominet responsible for validation."]}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""]]],"objectClassName":"entity"}],"publicIds":[{"type":"Registry Identifier","identifier":"D_58565133-UK"}],"secureDNS":{"maxSigLife":3024000,"delegationSigned":false},"nameservers":[{"links":[{"rel":"self","href":"https://rdap.nominet.uk/uk/nameserver/ns29.domaincontrol.com.","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/nameserver/ns29.domaincontrol.com."}],"handle":"H_113718-UK","status":["active","associated"],"ldhName":"ns29.domaincontrol.com.","unicodeName":"ns29.domaincontrol.com.","objectClassName":"nameserver"},{"links":[{"rel":"self","href":"https://rdap.nominet.uk/uk/nameserver/ns30.domaincontrol.com.","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/nameserver/ns30.domaincontrol.com."}],"handle":"H_93593-UK","status":["active","associated"],"ldhName":"ns30.domaincontrol.com.","unicodeName":"ns30.domaincontrol.com.","objectClassName":"nameserver"}],"unicodeName":"undergroundmathematics.co.uk","objectClassName":"domain","rdapConformance":["rdap_level_0"]}} | Domain is active |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … |
Showing 5 of 98 rows · Technologies · Full website tech stack per site: CMS, payments, analytics, frameworks.
The Haskell dataset
Every site we've detected as running Haskell, with version, hosting, country, TLD and traffic rank.
Haskell lives inside 2 datasets
Haskell detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 98-site list, or grab a free preview first.
About Haskell
Counting a compiled programming language from outside a server is an exercise in inference, and that has to be said before any number is quoted. A back end written in Haskell does not announce itself the way a browser widget does. What we match on is residue: a header a particular web framework leaves on responses, a session cookie naming convention, a distinctive error page, an asset path produced by a known build tool. Every one of those signals can be removed by a proxy or a configuration change without touching the application behind it.
Haskell is a Programming languages entry dating from 1990 and distributed under a BSD licence. The design is purely functional and statically typed, with lazy evaluation and a type system that pushes correctness checks from runtime into compilation. Teams do not arrive at a language like that by default. Adoption is a deliberate act, usually made by an engineering group that values provable behaviour over hiring convenience, which is why the technology clusters in high assurance work, financial infrastructure, compilers and internal tooling rather than in general web delivery.
The consequence for a researcher is that presence identifies a team, not a template. A company serving a site from this stack employs specialists, competes for a small pool of them, and tends to run the rest of its infrastructure with the same preferences: strong typing, reproducible builds, small dependency surfaces. Developer tool vendors, recruiters, package hosting services and cloud platforms all care about exactly that population, and there is no directory of it.
As of October 2026 the dataset records Haskell on 98 sites. The figure is a floor, and a biased one. A site reveals its back end language far more readily when nothing sits in front of it, while the common production arrangement puts a CDN or reverse proxy in the path that rewrites or strips the very headers we depend on. Static sites generated by tooling written in Haskell leave no runtime trace at all, so a large part of the community is structurally invisible to any external scan. Anyone treating the count as a measure of language adoption will be wrong, and wrong in a predictable direction.
Read as a set of leads rather than a census, the export still answers something a per domain lookup cannot. A lookup confirms what one host appears to run. The list gives you every host where the signature survived, joined to country, hosting provider and the rest of each stack, which is what lets you see whether the visible community concentrates on particular platforms, whether it is growing between snapshots, and which organisations are worth approaching. For a technology this specialised, a few hundred identified domains is a usable prospect list rather than a statistic, and it is the honest way to use the data.
Frequently asked questions
How many websites use Haskell?
webatla detects Haskell on 98 websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.
Can I download the list of websites using Haskell?
Yes, as structured JSONL. Grab a free sample first.
What's included for each site, and how fresh is it?
Domain, DNS, RDAP/WHOIS, the full technology stack, IP & country, PageRank and Harmonic, re-detected and re-exported daily.
How do I find the websites using Haskell?
Buy the technology dataset, then download the complete list of domains we detect using Haskell, re-exported every day.
What else is in the Haskell technology data?
Each row places Haskell next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.
Can I download just the sites using Haskell, or the whole database?
Both. Every site running Haskell comes in the Technologies dataset, one downloadable file. Or buy All data for the entire database: technologies plus identity, ranking, DNS and RDAP/WHOIS for every domain, combined in one file. Daily fresh export.
How do I download the list of websites using Haskell?
Three steps: (1) grab the free 10,000-row sample to inspect the schema, (2) buy the Technologies dataset, (3) download the full list of every domain we detect running Haskell as a JSON Lines file. It is re-exported daily, so you can re-download the freshest list any time inside your access window. Each row carries the domain plus DNS, WHOIS, IP, hosting country and rank.
Get the full list of websites using Haskell
Pick the dataset that covers what you need. Each one includes Haskell and downloads as JSONL, rebuilt daily.
Technologies
14 columns
Full website tech stack per site: CMS, payments, analytics, frameworks.
€159 / mo
Buy and download
Download preview dataset
All data
23 columns
Everything we have, in a single package. The full webatla universe.
€599 / mo
Buy and download
Download preview dataset
Want to compare every dataset side by side? Visit the pricing page
Related technologies
