Download websites using C
Programming Language · since 1972 · Open Source
About C
C is a general-purpose, procedural programming language developed in the early 1970s by Dennis Ritchie at Bell Labs. It is one of the most influential programming languages ever created, serving as the foundation for many modern languages including C++, C#, Java, and Python. C provides low-level memory access and direct hardware manipulation while remaining portable across different computing platforms.
C is widely used for systems programming, embedded systems, operating system kernels, compilers, and performance-critical applications. Major operating systems including Linux, Windows, and macOS have their kernels written primarily in C. In the web technology context, C is often the language of underlying server software, runtime environments, and native extensions for higher-level languages. Many web servers, databases, and programming language interpreters are built on C codebases, making it a foundational technology across the internet infrastructure stack.
At a glance
Database preview of C sites
C detection is a value inside the Technologies column. Two datasets carry it — switch between them to compare what's included.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| kaspersky.com | com | com | ICANN | HTTP 200 | 185.85.15.46 | DE | {"youtube":["https://youtube.com/Kaspersky"],"facebook":["https://facebook.com/Kaspersky"],"linkedin":["https://linkedin.com/company/kaspersky"],"instagram":["https://instagram.com/kasperskylab"],"x-twitter":["https://twitter.com/kaspersky"]} | 2026-05-16 | C, PWA, HSTS, Perl, Angie, React, DigiCert, DocuSign, Facebook Pixel, Priority Hints | 0.0000108656 | 18,232,814 | 1997-10-09 | 2026-10-08 |
| cctld.ru | ru | ru | ICANN | HTTP 200 | 195.208.25.130 | RU | {"vk":["https://vk.com/video/playlist/-112261161_3","https://vk.com/cctldru"],"youtube":["https://youtube.com/user/cctldru"],"telegram":["https://t.me/cctldrurf"]} | 2026-05-01 | C, PHP, Perl, Angie, 1C-Bitrix | 0.00000480888 | 14,481,981 | 1999-07-21 | 2026-07-31 |
| andydavies.me | me | me | ICANN | HTTP 200 | 178.62.63.18 | GB | {"x-twitter":["https://twitter.com/andydavies"]} | 2026-04-26 | C, H2O 2.3.0, RSS, Ruby, HTTP/2, Jekyll, jQuery, GoDaddy, Modernizr, Octopress | 0.00000188366 | 17,357,180 | 2011-09-27 | 2028-09-27 |
| kaspersky.ru | ru | ru | ICANN | HTTP 200 | 185.85.15.46 | DE | {"vk":["https://vk.com/kaspersky"],"youtube":["https://youtube.com/@KasperskyRussia"],"telegram":["https://t.me/kasperskylab_ru"]} | 2026-05-16 | C, PWA, HSTS, Perl, Angie, React, Next.js, Node.js, Webpack, Facebook Pixel | 0.00000183898 | 17,040,544 | 1998-12-25 | 2026-12-31 |
| kaspersky.co.uk | co.uk | uk | ICANN | HTTP 200 | 185.85.15.46 | DE | {"youtube":["https://youtube.com/Kaspersky"],"facebook":["https://facebook.com/Kaspersky"],"linkedin":["https://linkedin.com/company/kaspersky"],"instagram":["https://instagram.com/kasperskylab"],"x-twitter":["https://twitter.com/kaspersky"]} | 2026-05-16 | C, PWA, HSTS, Perl, Angie, React, Next.js, Node.js, Webpack, DigiCert | 0.00000163875 | 14,946,536 | 2000-09-20 | 2026-09-20 |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| kaspersky.com | com | com | ICANN | HTTP 200 | 185.85.15.46 | DE | {"youtube":["https://youtube.com/Kaspersky"],"facebook":["https://facebook.com/Kaspersky"],"linkedin":["https://linkedin.com/company/kaspersky"],"instagram":["https://instagram.com/kasperskylab"],"x-twitter":["https://twitter.com/kaspersky"]} | 2026-05-16 | C, PWA, HSTS, Perl, Angie, React, DigiCert, DocuSign, Facebook Pixel, Priority Hints | 2026-06-04 | TRUE | {"A":["185.85.15.46","185.85.15.47"],"MX":[{"host":"mx11.kaspersky-labs.com","priority":10},{"host":"mx12.kaspersky-labs.com","priority":10},{"host":"mx13.kaspersky-labs.com","priority":10},{"host":"mx14.kaspersky-labs.com","priority":10},{"host":"mx9.kaspersky-labs.com","priority":10}],"NS":["ns1.kasperskylabs.net","ns2.kasperskylabs.com","ns3.kasperskylabs.org"],"SOA":{"mname":"dnsmaster.kasperskylabs.net","retry":3600,"rname":"dnsadmin.kaspersky.com","expire":8640000,"serial":2026060302,"minimum":3600,"refresh":7200},"TXT":["58wgdlm2jdsm9ngvy7nkjykrtpm944zn","Bm+dQwu+u4EWDmvvW25oQ2SoOjxFlFGqpX9leEWzO1U=","MS=ms35645165","MS=ms46209404","OSSRH-51398","OSSRH-65954","asap-site-verification-10df2a0b-bc79-4490-8744-4b0d7aded221","asap-site-verification-3571af96-ec91-4f83-817d-375fefc9f797","asap-site-verification-6e19c2d7-0382-4a68-bc2c-068a778c7703","asap-site-verification-7825d720-a31b-4bb7-bbbf-2e720e30498a","docusign=bb1dd25e-cca1-4512-b170-2dca34aedd78","docusign=f75708ee-9d70-4f4d-893c-1ee40ff118f0","google-site-verification=OLBvaPDKYfdEIBIiJXCymrIyqYKlkRy42lSNjhuKuIg","google-site-verification=geaob3FW3kWbD4GOuWvvnIr6DdMCk-iztUNHfDXsjZw","google-site-verification=rWrOiumE7oP-K4v1grTIJNNCYHTqJYeF-yw3FzLhoxw","google-site-verification=vCElIgNX22UwW8HNwG3n-C6G2esSf64VCR-7786kf5o","gradle-verification=DM91VVUEK70R6HG86NOOGSMSE5LGT","samsung-domain-verification=3c4930b9-661f-4619-ab6e-7daa8739f5b0","v=spf1 include:_spf1.kaspersky.com include:_spf2.kaspersky.com include:_spf3.kaspersky.com include:_spf4.kaspersky.com -all","webexdomainverification.=5f4c1131-bad6-4890-9c8d-7fcd1696c2a6","wegopro-domain-verification=69328e546c4b7fc95d1edb012b9de2e4d1746afdda298f389f93815b2d8b6709","wegopro-domain-verification=8f26d1139bf38dd46e818b5c8d66251b33b5e83bae42f722af4bf84d9df2a642","zoho-verification=zb22959436.zmverify.zoho.eu"]} | 0.0000108656 | 18,232,814 | 2025-10-08 | RDAP | 1997-10-09 | 2026-10-08 | 2025-10-08 | Regional Network Information Center, JSC dba RU-CENTER | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/KASPERSKY.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/KASPERSKY.COM"},{"rel":"related","href":"https://www.nic.ru/rdap/domain/KASPERSKY.COM","type":"application/rdap+json","value":"https://www.nic.ru/rdap/domain/KASPERSKY.COM"}],"events":[{"eventDate":"1997-10-09T04:00:00Z","eventAction":"registration"},{"eventDate":"2026-10-08T04:00:00Z","eventAction":"expiration"},{"eventDate":"2025-10-07T01:38:37Z","eventAction":"last changed"},{"eventDate":"2025-10-08T07:17:56Z","eventAction":"last update of RDAP database"}],"handle":"1161465_DOMAIN_COM-VRSN","status":["client transfer prohibited"],"ldhName":"KASPERSKY.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/kaspersky.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/kaspersky.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://nic.ru","type":"text/html","value":"https://www.nic.ru/rdap/"}],"roles":["registrar"],"handle":"463","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+74950091333"],["email",{},"text","tld-abuse@nic.ru"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"463"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Regional Network Information Center, JSC dba RU-CENTER"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS1.KASPERSKYLABS.NET","objectClassName":"nameserver"},{"ldhName":"NS2.KASPERSKYLABS.COM","objectClassName":"nameserver"},{"ldhName":"NS3.KASPERSKYLABS.ORG","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| cctld.ru | ru | ru | ICANN | HTTP 200 | 195.208.25.130 | RU | {"vk":["https://vk.com/video/playlist/-112261161_3","https://vk.com/cctldru"],"youtube":["https://youtube.com/user/cctldru"],"telegram":["https://t.me/cctldrurf"]} | 2026-05-01 | C, PHP, Perl, Angie, 1C-Bitrix | 2026-06-05 | TRUE | {"A":["195.208.25.130"],"MX":[{"host":"mail.cctld.ru","priority":20},{"host":"mxs.cctld.ru","priority":30}],"NS":["ns.cctld.ru","ns1.cctld.ru"],"SOA":{"mname":"ns.cctld.ru","retry":900,"rname":"dns.cctld.ru","expire":2592000,"serial":2026022702,"minimum":60,"refresh":3600},"TXT":["globalsign-domain-verification=GQVHpgK9Io7txWMJmmsRjHtUPF6AsnCLyBfkbstHpq","google-site-verification=orvicMq1W2pcM85LKNErkqiU2BzkvmQ3JFH3Hnavdww","mailru-verification: 0c22551ec3d7a4dc","s1cnyvmyfqp6fwjrdvblb0z73hk62fvd","v=spf1 +a +mx +ip4:195.208.25.128/27 +ip4:93.95.103.246 ~all","yandex-verification: 19dceee2d9b39cf4"]} | 0.00000480888 | 14,481,981 | 2025-07-10 | WHOIS | 1999-07-21 | 2026-07-31 | 2025-07-10 | NETHOUSE-RU | {"raw_response":"% TCI Whois Service. Terms of use:\n% https://tcinet.ru/documents/whois_ru_rf.pdf (in Russian)\n% https://tcinet.ru/documents/whois_su.pdf (in Russian)\n\ndomain: CCTLD.RU\nnserver: ns1.cctld.ru. 212.193.116.82\nnserver: ns.cctld.ru. 195.208.25.131\nstate: REGISTERED, DELEGATED, VERIFIED\norg: Coordination Center for TLD RU\ntaxpayer-id: 7703288508\nregistrar: NETHOUSE-RU\nadmin-contact: https://domains.nethouse.ru/whois/form\ncreated: 1999-07-21T07:14:22Z\npaid-till: 2026-07-31T21:00:00Z\nfree-date: 2026-09-01\nsource: TCI\n\nLast updated on 2025-07-10T04:48:01Z\n\n"} | Domain is active |
| andydavies.me | me | me | ICANN | HTTP 200 | 178.62.63.18 | GB | {"x-twitter":["https://twitter.com/andydavies"]} | 2026-04-26 | C, H2O 2.3.0, RSS, Ruby, HTTP/2, Jekyll, jQuery, GoDaddy, Modernizr, Octopress | 2026-06-08 | TRUE | {"A":["178.62.63.18"],"MX":[{"host":"mail.vhdns.net","priority":0},{"host":"mx.daily.co.uk","priority":10}],"NS":["ns41.domaincontrol.com","ns42.domaincontrol.com"],"SOA":{"mname":"ns41.domaincontrol.com","retry":7200,"rname":"dns.jomax.net","expire":604800,"serial":2024113000,"minimum":600,"refresh":28800},"TXT":["google-site-verification=oLYv-8sfM6T5JuvdNftrIF-ADT8URHpHigQ702W00Qk","yandex-verification: b5630dd197270b28"]} | 0.00000188366 | 17,357,180 | 2025-07-06 | WHOIS | 2011-09-27 | 2028-09-27 | 2024-11-30 | Mesh Digital Limited | {"raw_response":"Domain Name: andydavies.me\r\nRegistry Domain ID: c9e948ce340a4855902a36dd86e3b38a-DONUTS\r\nRegistrar WHOIS Server: domains.meshdigital.com\r\nRegistrar URL: http://www.domainbox.com\r\nUpdated Date: 2024-11-30T16:21:16Z\r\nCreation Date: 2011-09-27T10:14:30Z\r\nRegistry Expiry Date: 2028-09-27T10:14:30Z\r\nRegistrar: Mesh Digital Limited\r\nRegistrar IANA ID: 1390\r\nRegistrar Abuse Contact Email: abuse@domainbox.com\r\nRegistrar Abuse Contact Phone: +1.8779770099\r\nDomain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited\r\nDomain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited\r\nDomain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited\r\nDomain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited\r\nRegistry Registrant ID: REDACTED\r\nRegistrant Name: REDACTED\r\nRegistrant Organization: Domains By Proxy, LLC\r\nRegistrant Street: REDACTED\r\nRegistrant City: REDACTED\r\nRegistrant State/Province: Arizona\r\nRegistrant Postal Code: REDACTED\r\nRegistrant Country: US\r\nRegistrant Phone: REDACTED\r\nRegistrant Phone Ext: REDACTED\r\nRegistrant Fax: REDACTED\r\nRegistrant Fax Ext: REDACTED\r\nRegistrant Email: REDACTED\r\nRegistry Admin ID: REDACTED\r\nAdmin Name: REDACTED\r\nAdmin Organization: REDACTED\r\nAdmin Street: REDACTED\r\nAdmin City: REDACTED\r\nAdmin State/Province: REDACTED\r\nAdmin Postal Code: REDACTED\r\nAdmin Country: REDACTED\r\nAdmin Phone: REDACTED\r\nAdmin Phone Ext: REDACTED\r\nAdmin Fax: REDACTED\r\nAdmin Fax Ext: REDACTED\r\nAdmin Email: REDACTED\r\nRegistry Tech ID: REDACTED\r\nTech Name: REDACTED\r\nTech Organization: REDACTED\r\nTech Street: REDACTED\r\nTech City: REDACTED\r\nTech State/Province: REDACTED\r\nTech Postal Code: REDACTED\r\nTech Country: REDACTED\r\nTech Phone: REDACTED\r\nTech Phone Ext: REDACTED\r\nTech Fax: REDACTED\r\nTech Fax Ext: REDACTED\r\nTech Email: REDACTED\r\nName Server: ns41.domaincontrol.com\r\nName Server: ns42.domaincontrol.com\r\nDNSSEC: unsigned\r\nURL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/\r\n>>> Last update of WHOIS database: 2025-07-06T12:28:09Z <<<\r\n\r\nFor more information on Whois status codes, please visit https://icann.org/epp\r\n\r\nTerms of Use: Access to WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the registry database. The data in this record is provided by Identity Digital or the Registry Operator for informational purposes only, and accuracy is not guaranteed. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data 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 data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Registry Operator, a Registrar, or Identity Digital except as reasonably necessary to register domain names or modify existing registrations. When using the Whois service, please consider the following: The Whois service is not a replacement for standard EPP commands to the SRS service. Whois is not considered authoritative for registered domain objects. The Whois service may be scheduled for downtime during production or OT&E maintenance periods. Queries to the Whois 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 Whois service access. Abuse of the Whois 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 Whois 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 provided by Identity Digital can be requested by submitting a request via the form found at https://www.identity.digital/about/policies/whois-layered-access/. The Registrar of Record identified in this output may have an RDDS service that can be queried for additional information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Identity Digital Inc. and Registry Operator reserve the right to modify these terms at any time. By submitting this query, you agree to abide by this policy.\r\n"} | Domain is active |
| kaspersky.ru | ru | ru | ICANN | HTTP 200 | 185.85.15.46 | DE | {"vk":["https://vk.com/kaspersky"],"youtube":["https://youtube.com/@KasperskyRussia"],"telegram":["https://t.me/kasperskylab_ru"]} | 2026-05-16 | C, PWA, HSTS, Perl, Angie, React, Next.js, Node.js, Webpack, Facebook Pixel | 2026-06-08 | TRUE | {"A":["185.85.15.46","185.85.15.47"],"MX":[{"host":"mx12.kaspersky-labs.com","priority":10},{"host":"mx13.kaspersky-labs.com","priority":10},{"host":"mx14.kaspersky-labs.com","priority":10}],"NS":["ns1.kasperskylabs.net","ns2.kasperskylabs.net","ns3.kasperskylabs.net"],"SOA":{"mname":"dnsmaster.kasperskylabs.net","retry":3600,"rname":"dnsadmin.kaspersky.com","expire":8640000,"serial":2026060701,"minimum":86400,"refresh":7200},"TXT":["Bm+dQwu+u4EWDmvvW25oQ2SoOjxFlFGqpX9leEWzO1U=","_globalsign-domain-verification=qJMO-p8loEDLSW9IWnIncuDwelSnr1UsgNWJ7roakW","google-site-verification=7Gq_UKyYHypK-4pN27niGvS-4S02I82tjaaab8w8ydU","v=spf1 redirect=kaspersky.com","wmail-verification: 0f0a01e706b2459fead8efe2f619283b"]} | 0.00000183898 | 17,040,544 | 2025-12-31 | WHOIS | 1998-12-25 | 2026-12-31 | 2025-12-31 | RU-CENTER-RU | {"raw_response":"% TCI Whois Service. Terms of use:\n% https://tcinet.ru/documents/whois_ru_rf.pdf (in Russian)\n% https://tcinet.ru/documents/whois_su.pdf (in Russian)\n\ndomain: KASPERSKY.RU\nnserver: ns1.kasperskylabs.net.\nnserver: ns2.kasperskylabs.net.\nnserver: ns3.kasperskylabs.net.\nstate: REGISTERED, DELEGATED, VERIFIED\norg: Joint Stock Company \"Kaspersky Lab\"\ntaxpayer-id: 7713140469\nregistrar: RU-CENTER-RU\nadmin-contact: https://www.nic.ru/whois\ncreated: 1998-12-25T14:45:02Z\npaid-till: 2026-12-31T21:00:00Z\nfree-date: 2027-02-01\nsource: TCI\n\nLast updated on 2025-12-31T16:13:01Z\n\n"} | Domain is active |
| kaspersky.co.uk | co.uk | uk | ICANN | HTTP 200 | 185.85.15.46 | DE | {"youtube":["https://youtube.com/Kaspersky"],"facebook":["https://facebook.com/Kaspersky"],"linkedin":["https://linkedin.com/company/kaspersky"],"instagram":["https://instagram.com/kasperskylab"],"x-twitter":["https://twitter.com/kaspersky"]} | 2026-05-16 | C, PWA, HSTS, Perl, Angie, React, Next.js, Node.js, Webpack, DigiCert | 2026-06-05 | TRUE | {"A":["185.85.15.46","185.85.15.47"],"MX":[{"host":"sget36.kaspersky-labs.com","priority":10}],"NS":["ns1.kasperskylabs.net","ns2.kasperskylabs.net","ns3.kasperskylabs.net"],"SOA":{"mname":"dnsmaster.kasperskylabs.net","retry":3600,"rname":"dnsadmin.kaspersky.com","expire":8640000,"serial":2026060501,"minimum":86400,"refresh":7200},"TXT":["_globalsign-domain-verification=KhYvGdAniZSuhI3tHVt0v_u7QDTsbiJFGFu2dIm-vA","_globalsign-domain-verification=Rowe5TRrAG1tV7RsnSQDfsftRlun1DagacHi0jDJFK","_lbguto77ptoz8axvwv7gom3xxzcwz4b","_tzeohb38p8iqht0iguhaqcdzmyxzqfn","cfrr2963cc7khk565htkrb5sv2bndwyj","facebook-domain-verification=0fkxasfgc7xjh24wqkgp92k1dmci09","m25yd00sc3vwzbr1f8tpgth9056gjyk2","v=spf1 redirect=kaspersky.com","vvwxxbn9vr0bgdc1zcz371l42rjr5k3z"]} | 0.00000163875 | 14,946,536 | 2026-01-29 | RDAP | 2000-09-20 | 2026-09-20 | 2026-01-29 | Key-Systems GmbH | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.nominet.uk/uk/domain/kaspersky.co.uk","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/domain/kaspersky.co.uk"}],"events":[{"eventDate":"2000-09-20T11:43:01Z","eventActor":"REGISTER-DOT-COM","eventAction":"registration"},{"eventDate":"2025-09-17T01:16:57.186601Z","eventAction":"last changed"},{"eventDate":"2026-09-20T11:43:01Z","eventAction":"expiration"},{"eventDate":"2022-06-08T19:42:00Z","eventAction":"transfer"},{"eventDate":"2026-01-29T21:41:19.464Z","eventAction":"last update of RDAP database"}],"handle":"D_17819847-UK","status":["active"],"ldhName":"kaspersky.co.uk","notices":[{"links":[{"rel":"terms-of-service","href":"https://nominet.uk/rdap-tos","type":"text/html","value":"https://rdap.nominet.uk/uk/domain/kaspersky.co.uk"}],"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":"glossary","href":"https://icann.org/epp","type":"text/html","value":"https://rdap.nominet.uk/uk/domain/kaspersky.co.uk"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://www.nominet.uk/complaints/#complaining-about-incorrect-whois-data","type":"text/html","value":"https://rdap.nominet.uk/uk/domain/kaspersky.co.uk"}],"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/KEY-SYSTEMS-DE","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/entity/KEY-SYSTEMS-DE"}],"roles":["registrar"],"handle":"KEY-SYSTEMS-DE","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Abuse contact"],["tel",{"type":"voice"},"uri","tel:+4968949396850"],["email",{},"text","complaints@key-systems.net"]]],"objectClassName":"entity"}],"publicIds":[{"type":"Registry Identifier","identifier":"KEY-SYSTEMS-DE"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Key-Systems GmbH"],["adr",{},"text",["","","Key-Systems GmbH, Im Oberen Werk 1, 66386 St. Ingbert","","","",""]],["tel",{"type":"voice"},"uri","tel:+49-(0)-6894-9396-850"],["tel",{"type":"fax"},"uri","tel:+49-(0)-6894-9396-851"],["email",{},"text","info@key-systems.net"],["url",{},"uri","https://www.key-systems.net"]]],"objectClassName":"entity"},{"roles":["registrant"],"events":[{"eventDate":"2022-06-01T10:08:16Z","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":["Registrar responsible for validation."]}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["email",{},"text","redacted@nominet.uk"]]],"objectClassName":"entity"}],"redacted":[{"name":{"type":"Registrant Name"},"method":"emptyValue","reason":{"description":"Server policy"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='fn')][3]"},{"name":{"type":"Registrant Organization"},"method":"removal","reason":{"description":"Server policy"},"prePath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='org')]","pathLang":"jsonpath"},{"name":{"description":"Registrant Organisation Type"},"method":"removal","reason":{"description":"Server policy"}},{"name":{"description":"Registrant Identifier Label"},"method":"removal","reason":{"description":"Server policy"}},{"name":{"description":"Registrant Organisation Identifier"},"method":"removal","reason":{"description":"Server policy"}},{"name":{"type":"Registrant Street"},"method":"emptyValue","reason":{"description":"Server policy"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][:3]"},{"name":{"type":"Registrant Postal Code"},"method":"emptyValue","reason":{"description":"Server policy"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][5]"},{"name":{"type":"Registrant City"},"method":"emptyValue","reason":{"description":"Server policy"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][3]"},{"name":{"description":"Registrant Country"},"method":"emptyValue","reason":{"description":"Server policy"}},{"name":{"description":"Registrant Region"},"method":"emptyValue","reason":{"description":"Server policy"}},{"name":{"type":"Registrant Email"},"method":"replacementValue","reason":{"description":"Server policy"},"prePath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='email')]","pathLang":"jsonpath","replacementPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='email')][3]"},{"name":{"type":"Registrant Phone"},"method":"removal","reason":{"description":"Server policy"},"prePath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[1].type=='voice')]","pathLang":"jsonpath"}],"publicIds":[{"type":"Registry Identifier","identifier":"D_17819847-UK"}],"secureDNS":{"maxSigLife":3024000,"delegationSigned":false},"nameservers":[{"links":[{"rel":"self","href":"https://rdap.nominet.uk/uk/nameserver/ns1.kasperskylabs.net.","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/nameserver/ns1.kasperskylabs.net."}],"handle":"H_48884-UK","status":["active","associated"],"ldhName":"ns1.kasperskylabs.net.","unicodeName":"ns1.kasperskylabs.net.","objectClassName":"nameserver"},{"links":[{"rel":"self","href":"https://rdap.nominet.uk/uk/nameserver/ns2.kasperskylabs.net.","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/nameserver/ns2.kasperskylabs.net."}],"handle":"H_885528-UK","status":["active","associated"],"ldhName":"ns2.kasperskylabs.net.","unicodeName":"ns2.kasperskylabs.net.","objectClassName":"nameserver"},{"links":[{"rel":"self","href":"https://rdap.nominet.uk/uk/nameserver/ns3.kasperskylabs.net.","type":"application/rdap+json","value":"https://rdap.nominet.uk/uk/nameserver/ns3.kasperskylabs.net."}],"handle":"H_109818-UK","status":["active","associated"],"ldhName":"ns3.kasperskylabs.net.","unicodeName":"ns3.kasperskylabs.net.","objectClassName":"nameserver"}],"unicodeName":"kaspersky.co.uk","objectClassName":"domain","rdapConformance":["redacted","rdap_level_0"]}} | Domain is active |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … |
+ 4 datasets don't carry the Technologies column.
The C dataset
Every site we've detected as running C — with version, hosting, country, TLD and traffic rank.
C lives inside 2 datasets
C detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 39,536-site list — or grab a free preview first.
Frequently asked questions
How many websites use C?
webatla detects C on 40K websites, refreshed daily — each with its domain, DNS, WHOIS, IP, country and ranking.
Can I download the list of websites using C?
Yes — as structured JSONL. Pay once for one month, no subscription; 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.