Download list of all LEPTON sites

Name: Websites that use LEPTON
Creator: webatla
License: https://webatla.com/terms

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64 Sites detected

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LEPTON detection is a value inside the Technologies column. Two datasets carry it, switch between them to compare what's included.

webatla-technologies-lepton-2026-10-05.jsonl.zst · 64 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
lepton-cms.org	org	org	ICANN	HTTP 200	94.102.208.155	DE	—	2026-09-08	PHP, RSS, HSTS, Osano, Debian, LEPTON, PayPal, jQuery, Favicon, hreflang	0.0000000309967	12,186,963	2010-11-13	2026-11-13
perspectiv-online.org	org	org	ICANN	HTTP 200	116.203.235.231	DE	{"facebook":["https://facebook.com/HistoricTheatres"]}	2026-08-14	PHP, HTTP/2, LEPTON, jQuery, Favicon, Hetzner, hreflang, Bootstrap, Google Font API, Apache HTTP Server	0.0000000206331	12,244,477	2003-12-23	2026-12-23
cms-lab.com	com	com	ICANN	HTTP 200	94.102.208.155	DE	—	2026-08-29	PHP, HSTS, Osano, Debian, LEPTON, jQuery, Favicon, Slimbox 2, Open Graph, Semantic UI	0.000000014857	12,087,218	2011-02-28	2027-02-28
figo-gmbh.de	de	de	ICANN	HTTP 200	217.160.0.224	DE	{"youtube":["https://youtube.com/channel/UCSWai8T8UTOeXBr_dY_NlkA"],"linkedin":["https://de.linkedin.com/company/figo-gmbh-retail-architecture"],"instagram":["https://instagram.com/figo_gmbh?hl=de"]}	2026-09-02	Google Analytics G-1E27M7SET4 G-B8PHBXY5M2 +1, Google Tag Manager GTM-W34DGZM, PHP, IONOS, Slick, HTTP/2, LEPTON, jQuery, Favicon, Sectigo	0.0000000111105	12,137,130	—	—
boergers.com	com	com	ICANN	HTTP 200	85.13.144.9	DE	—	2026-09-29	PHP, HSTS, HTTP/2, LEPTON, jQuery, Favicon, Modernizr, jQuery Migrate, Apache HTTP Server	0.00000000645224	11,823,028	2002-04-17	2027-04-17
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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
lepton-cms.org	org	org	ICANN	HTTP 200	94.102.208.155	DE	—	2026-09-08	PHP, RSS, HSTS, Osano, Debian, LEPTON, PayPal, jQuery, Favicon, hreflang	2026-10-02	TRUE	{"A":["94.102.208.155"],"MX":[{"host":"mail.lepton-cms.org","priority":10}],"NS":["ns1.antagus.de","ns2.antagus.de"],"SOA":{"mname":"ns1.antagus.de","retry":3600,"rname":"root.ns1.antagus.de","expire":604800,"serial":1689323111,"minimum":3600,"refresh":10800},"TXT":["v=spf1 a mx ip4:94.102.220.144 ip4:94.102.208.155 ip4:94.102.220.40 ~all"]}	0.0000000309967	12,186,963	2026-03-12	RDAP	2010-11-13	2026-11-13	2026-03-12	Vautron Rechenzentrum AG	{"raw_response":{"links":[{"rel":"related","href":"https://rdap.tmag.de/rdapgtld/rdap/domain/lepton-cms.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/lepton-cms.org"},{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/domain/lepton-cms.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/lepton-cms.org"}],"events":[{"eventDate":"2011-11-12T01:49:31.113Z","eventAction":"transfer"},{"eventDate":"2026-11-13T11:36:33.113Z","eventAction":"expiration"},{"eventDate":"2010-11-13T11:36:33.113Z","eventAction":"registration"},{"eventDate":"2025-12-28T11:37:31.162Z","eventAction":"last changed"},{"eventDate":"2026-03-12T18:07:57.671Z","eventAction":"last update of RDAP database"}],"status":["active"],"ldhName":"lepton-cms.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/lepton-cms.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://rdap.publicinterestregistry.org/rdap/domain/lepton-cms.org"}],"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/lepton-cms.org"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/entity/1443","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/entity/1443"},{"rel":"about","href":"https://rdap.tmag.de/rdapgtld/rdap","type":"application/rdap+json","value":"https://rdap.tmag.de/rdapgtld/rdap"}],"roles":["registrar"],"handle":"1443","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+49.9415990570"],["email",{},"text","abuse@vautron.de"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"1443"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Vautron Rechenzentrum AG"]]],"objectClassName":"entity"}],"redacted":[{"name":{"type":"Registry Domain ID"},"method":"removal","prePath":"$.handle","pathLang":"jsonpath"}],"secureDNS":{"maxSigLife":1,"delegationSigned":false},"nameservers":[{"handle":"32197a786c3c4bba832985e0492851c4-LROR","status":["associated"],"ldhName":"ns1.antagus.de","unicodeName":"ns1.antagus.de","objectClassName":"nameserver"},{"handle":"63fa0d2c0c47402bb07587021e324117-LROR","status":["associated"],"ldhName":"ns2.antagus.de","unicodeName":"ns2.antagus.de","objectClassName":"nameserver"}],"unicodeName":"lepton-cms.org","objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_response_profile_1","icann_rdap_technical_implementation_guide_1","redacted"]}}	Domain is active
perspectiv-online.org	org	org	ICANN	HTTP 200	116.203.235.231	DE	{"facebook":["https://facebook.com/HistoricTheatres"]}	2026-08-14	PHP, HTTP/2, LEPTON, jQuery, Favicon, Hetzner, hreflang, Bootstrap, Google Font API, Apache HTTP Server	2026-09-27	TRUE	{"A":["116.203.235.231"],"MX":[{"host":"mx0.mail.ovh.net","priority":10}],"NS":["ns1.first-ns.de","robotns2.second-ns.de","robotns3.second-ns.com"],"SOA":{"mname":"ns1.first-ns.de","retry":1800,"rname":"dns.hetzner.com","expire":604800,"serial":2026031500,"minimum":3600,"refresh":14400},"TXT":["v=spf1 a mx include:mx.ovh.com ~all"],"AAAA":["2a01:4f8:c2c:d284::1"]}	0.0000000206331	12,244,477	2026-03-12	RDAP	2003-12-23	2026-12-23	2026-03-12	Vautron Rechenzentrum AG	{"raw_response":{"links":[{"rel":"related","href":"https://rdap.tmag.de/rdapgtld/rdap/domain/perspectiv-online.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/perspectiv-online.org"},{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/domain/perspectiv-online.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/perspectiv-online.org"}],"events":[{"eventDate":"2011-12-22T00:56:06.785Z","eventAction":"transfer"},{"eventDate":"2026-12-23T08:20:05.785Z","eventAction":"expiration"},{"eventDate":"2003-12-23T08:20:05.785Z","eventAction":"registration"},{"eventDate":"2026-02-06T08:20:47.482Z","eventAction":"last changed"},{"eventDate":"2026-03-12T13:18:05.76Z","eventAction":"last update of RDAP database"}],"status":["active"],"ldhName":"perspectiv-online.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/perspectiv-online.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://rdap.publicinterestregistry.org/rdap/domain/perspectiv-online.org"}],"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/perspectiv-online.org"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/entity/1443","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/entity/1443"},{"rel":"about","href":"https://rdap.tmag.de/rdapgtld/rdap","type":"application/rdap+json","value":"https://rdap.tmag.de/rdapgtld/rdap"}],"roles":["registrar"],"handle":"1443","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+49.9415990570"],["email",{},"text","abuse@vautron.de"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"1443"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Vautron Rechenzentrum AG"]]],"objectClassName":"entity"}],"redacted":[{"name":{"type":"Registry Domain ID"},"method":"removal","prePath":"$.handle","pathLang":"jsonpath"}],"secureDNS":{"maxSigLife":1,"delegationSigned":false},"nameservers":[{"handle":"950af2ae41844a67b90fe9b17ebb3af2-LROR","status":["associated"],"ldhName":"ns1.first-ns.de","unicodeName":"ns1.first-ns.de","objectClassName":"nameserver"},{"handle":"8dba8226ae24426aa76f14debc26efe7-LROR","status":["associated"],"ldhName":"robotns2.second-ns.de","unicodeName":"robotns2.second-ns.de","objectClassName":"nameserver"},{"handle":"aa1406239a6541dab4b797a7b154a18a-LROR","status":["associated"],"ldhName":"robotns3.second-ns.com","unicodeName":"robotns3.second-ns.com","objectClassName":"nameserver"}],"unicodeName":"perspectiv-online.org","objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_response_profile_1","icann_rdap_technical_implementation_guide_1","redacted"]}}	Domain is active
cms-lab.com	com	com	ICANN	HTTP 200	94.102.208.155	DE	—	2026-08-29	PHP, HSTS, Osano, Debian, LEPTON, jQuery, Favicon, Slimbox 2, Open Graph, Semantic UI	2026-10-01	TRUE	{"A":["94.102.208.155"],"MX":[{"host":"mail.cms-lab.com","priority":10}],"NS":["ns1.antagus.de","ns2.antagus.de"],"SOA":{"mname":"ns1.antagus.de","retry":3600,"rname":"root.ns1.antagus.de","expire":604800,"serial":1691154734,"minimum":3600,"refresh":10800},"TXT":["v=spf1 a mx ip4:94.102.220.144 ip4:94.102.208.155 ip4:94.102.220.40 ~all"]}	0.000000014857	12,087,218	2026-03-14	RDAP	2011-02-28	2027-02-28	2026-03-14	Vautron Rechenzentrum AG	{"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/CMS-LAB.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/CMS-LAB.COM"},{"rel":"related","href":"https://rdap.tmag.de/rdapgtld/rdap/domain/CMS-LAB.COM","type":"application/rdap+json","value":"https://rdap.tmag.de/rdapgtld/rdap/domain/CMS-LAB.COM"}],"events":[{"eventDate":"2011-02-28T10:49:56Z","eventAction":"registration"},{"eventDate":"2027-02-28T10:49:56Z","eventAction":"expiration"},{"eventDate":"2026-03-01T08:17:49Z","eventAction":"last changed"},{"eventDate":"2026-03-14T10:45:47Z","eventAction":"last update of RDAP database"}],"handle":"1642651165_DOMAIN_COM-VRSN","status":["active"],"ldhName":"CMS-LAB.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/cms-lab.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/cms-lab.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.vautron.de","type":"text/html","value":"https://rdap.tmag.de/rdapgtld/rdap/"}],"roles":["registrar"],"handle":"1443","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+49 .9415990631"],["email",{},"text","abuse@vautron.de"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"1443"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Vautron Rechenzentrum AG"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS1.ANTAGUS.DE","objectClassName":"nameserver"},{"ldhName":"NS2.ANTAGUS.DE","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}}	Domain is active
figo-gmbh.de	de	de	ICANN	HTTP 200	217.160.0.224	DE	{"youtube":["https://youtube.com/channel/UCSWai8T8UTOeXBr_dY_NlkA"],"linkedin":["https://de.linkedin.com/company/figo-gmbh-retail-architecture"],"instagram":["https://instagram.com/figo_gmbh?hl=de"]}	2026-09-02	Google Analytics G-1E27M7SET4 G-B8PHBXY5M2 +1, Google Tag Manager GTM-W34DGZM, PHP, IONOS, Slick, HTTP/2, LEPTON, jQuery, Favicon, Sectigo	2026-09-20	TRUE	{"A":["217.160.0.224"],"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}],"NS":["ns1047.ui-dns.biz","ns1047.ui-dns.com","ns1047.ui-dns.de","ns1047.ui-dns.org"],"SOA":{"mname":"ns1047.ui-dns.com","retry":7200,"rname":"hostmaster.1und1.de","expire":604800,"serial":2016042058,"minimum":300,"refresh":28800},"TXT":["google-site-verification=95XWVbtXcVojSGi6wSZLG-193Eo7yQMmfeUbd6OeUmI","google-site-verification=HPO9SGNuSOfDTr9wmSJ57ktadX79ahfqmjDM-X7LpIs","google-site-verification=d5AH2WdSy9RaY-YYJvk9ygji-AGnVTcXQXiziHFFPEQ","v=spf1 include:_spf.google.com ~all"]}	0.0000000111105	12,137,130	2026-10-03	WHOIS	—	—	2018-08-09	—	{"raw_response":"% Restricted rights.\n% \n% Terms and Conditions of Use\n% \n% The above data may only be used within the scope of technical or\n% administrative necessities of Internet operation or to remedy legal\n% problems.\n% The use for other purposes, in particular for advertising, is not permitted.\n% \n% The DENIC whois service on port 43 doesn't disclose any information concerning\n% the domain holder, general request and abuse contact.\n% This information can be obtained through use of our web-based whois service\n% available at the DENIC website:\n% https://webwhois.denic.de/?lang=en\n% \n% \n\nDomain: figo-gmbh.de\nNserver: ns1047.ui-dns.biz\nNserver: ns1047.ui-dns.com\nNserver: ns1047.ui-dns.de\nNserver: ns1047.ui-dns.org\nStatus: connect\nChanged: 2018-08-09T21:35:54+02:00"}	Domain is active
boergers.com	com	com	ICANN	HTTP 200	85.13.144.9	DE	—	2026-09-29	PHP, HSTS, HTTP/2, LEPTON, jQuery, Favicon, Modernizr, jQuery Migrate, Apache HTTP Server	2026-09-29	TRUE	{"A":["85.13.144.9"],"MX":[{"host":"smtprelay.boergers.com","priority":10}],"NS":["ns.dsinet.de","ns.dsinet.eu","ns2.dsinet.de"],"SOA":{"mname":"dns01.dsinet.de","retry":540,"rname":"hostmaster.dsi.net","expire":604800,"serial":2026032502,"minimum":3600,"refresh":7200},"TXT":["MS=ms74065507","v=spf1 mx a ip4:81.201.148.108 include:spf.dsinet.de include:smtprelay.boergers.com -all"]}	0.00000000645224	11,823,028	2026-04-26	RDAP	2002-04-17	2027-04-17	2026-04-18	InterNetX GmbH	{"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/BOERGERS.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/BOERGERS.COM"},{"rel":"related","href":"https://rdap.registrar.internetx.com/domain/BOERGERS.COM","type":"application/rdap+json","value":"https://rdap.registrar.internetx.com/domain/BOERGERS.COM"}],"events":[{"eventDate":"2002-04-17T14:18:30Z","eventAction":"registration"},{"eventDate":"2027-04-17T14:18:30Z","eventAction":"expiration"},{"eventDate":"2026-04-18T08:26:01Z","eventAction":"last changed"},{"eventDate":"2026-04-26T01:27:22Z","eventAction":"last update of RDAP database"}],"handle":"85682666_DOMAIN_COM-VRSN","status":["client transfer prohibited"],"ldhName":"BOERGERS.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/boergers.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/boergers.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.internetx.com","type":"text/html","value":"https://rdap.registrar.internetx.com/"}],"roles":["registrar"],"handle":"151","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+49.94159559480"],["email",{},"text","domain-abuse@internetx.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"151"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","InterNetX GmbH"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS.DSINET.DE","objectClassName":"nameserver"},{"ldhName":"NS.DSINET.EU","objectClassName":"nameserver"},{"ldhName":"NS2.DSINET.DE","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}}	Domain is active
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About LEPTON

Searching the word lepton mostly returns particle physics, and the software project carrying the name has to live in that shadow. The system in our index is a content management system whose project site is lepton-cms.org, a volunteer effort rather than a product with a sales team. No vendor is recorded against it because there is no company to record.

LEPTON dates from 2009, is written in PHP and carries a GPL v2 licence, which places it in the generation of PHP systems built before the current front end era and before hosted site builders took the low end of the market. As of October 2026 we detect it on 64 sites. A count in that range, for a system that has been available that long, describes a stable niche rather than a growth story: a handful of agencies and administrators maintaining sites they know well, with new installs roughly balancing retirements.

Detection for a PHP content management system leans on whatever the software leaves in the page. A generator meta tag, predictable asset paths, a cookie name or an admin path that answers are the usual markers, and communities that value lean output tend to strip exactly those. A heavily themed install can hide all of them, so the real installed base sits above what we report. Our record also carries no version data, which matters more here than it would for a mainstream platform. You can use our list to find sites running the system, and you cannot use it to separate a maintained install from one that stopped being updated years ago.

The audience for that list is narrow and specific. Security researchers want the population of a long lived PHP system with a small maintainer community, because patch coverage in that situation is uneven and one unfixed component reaches every install at once. Migration shops want it as a prospect list, since sites on an ageing niche platform are candidates for a rebuild and their owners are usually aware of it. Anyone writing importers, exporters or compatibility tooling wants to know whether the target still has enough live sites to justify the work. A per domain lookup tells you about one site you already had in hand, which is the wrong shape for every one of those questions. The download gives you the set, and a set is the only form in which questions about a small population can be answered without hand waving.

Frequently asked questions

How many websites use LEPTON?

webatla detects LEPTON on 64 websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.

Can I download the list of websites using LEPTON?

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 LEPTON?

Buy the technology dataset, then download the complete list of domains we detect using LEPTON, re-exported every day.

What else is in the LEPTON technology data?

Each row places LEPTON next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.

Can I download just the sites using LEPTON, or the whole database?

Both. Every site running LEPTON 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 LEPTON?

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 LEPTON 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.