Descargar sitios web que utilizan Let's Encrypt
16.373 sitios activos que usan Let's Encrypt ahora mismo
SSL/TLS certificate authorities · de Internet Security Research Group · desde 2016 · Open Source
Vista previa de los datasets de sitios Let's Encrypt
La detección de Let's Encrypt es un valor de la columna Technologies . Dos datasets la incluyen, cambie entre ambos para comparar qué incluye cada uno.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bfcnumerique.fr | fr | fr | ICANN | HTTP 200 | 194.147.154.117 | FR | {"facebook":["https://facebook.com/Plesk"],"x-twitter":["https://twitter.com/Plesk"]} | 2026-09-29 | Nginx, HTTP/2, Favicon, GlobalSign, Let's Encrypt, Google Workspace | 0.0000000258845 | 13,508,372 | 2016-10-27 | 2027-07-10 |
| xn--264-eed8b.xn--p1ai | xn--p1ai | xn--p1ai | ICANN | HTTP 200 | 31.28.24.190 | RU | {"telegram":["https://t.me/Advocate_po_DTP"],"whatsapp":["https://wa.me/79672642641?"]} | 2026-09-23 | PHP 7.0.33, Nginx, HTTP/2, Favicon, YouTube, CKEditor, Let's Encrypt, WhatsApp Business Chat | 0.0000000223759 | 12,931,351 | 2017-03-26 | 2027-03-26 |
| algo-msk.com | com | com | ICANN | HTTP 200 | 91.189.114.30 | RU | {"facebook":["https://facebook.com/pages/%D0%A2%D0%A0%D0%98%D0%97-2014/677988188962649?sk=timeline"],"x-twitter":["https://twitter.com/TRIZ_2014"]} | 2026-09-26 | PHP, Nginx, Drupal 7, HTTP/2, jQuery, Favicon, OpenResty, Let's Encrypt, Google Font API | 0.0000000191537 | 12,148,279 | 2005-02-04 | 2027-02-04 |
| bndechile.cl | cl | cl | ICANN | HTTP 200 | 186.67.125.101 | CL | {"youtube":["https://youtube.com/@patrimonio_cl"],"facebook":["https://facebook.com/patrimoniochile"],"instagram":["https://instagram.com/servicio_patrimonio"],"x-twitter":["https://x.com/patrimonio_cl"]} | 2026-09-29 | Google Analytics G-H6N1QP1NN3 UA-17444180-1 +1, PHP, HSTS, Nginx, Drupal 10, Favicon, Varnish, hreflang, OpenResty, Let's Encrypt | 0.0000000152553 | 13,859,946 | 2001-09-14 | 2026-10-08 |
| ulevitch.com | com | com | ICANN | HTTP 200 | 165.227.29.121 | US | {"linkedin":["https://linkedin.com/in/davidu"],"x-twitter":["https://x.com/davidu"]} | 2026-09-20 | HSTS, Nginx 1.18.0, HTTP/2, Ubuntu, Let's Encrypt, Google Workspace, Google Site Verification | 0.000000013842 | 13,868,491 | 2000-02-11 | 2030-02-11 |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bfcnumerique.fr | fr | fr | ICANN | HTTP 200 | 194.147.154.117 | FR | {"facebook":["https://facebook.com/Plesk"],"x-twitter":["https://twitter.com/Plesk"]} | 2026-09-29 | Nginx, HTTP/2, Favicon, GlobalSign, Let's Encrypt, Google Workspace | 2026-09-29 | TRUE | {"A":["194.147.154.117"],"MX":[{"host":"alt1.aspmx.l.google.com","priority":20},{"host":"alt2.aspmx.l.google.com","priority":20},{"host":"alt3.aspmx.l.google.com","priority":50},{"host":"alt4.aspmx.l.google.com","priority":50},{"host":"aspmx.l.google.com","priority":10}],"NS":["dnspb01.planetb.fr","dnspb02.planetb.fr","dnspb03.planetb.fr"],"SOA":{"mname":"dnspb01.planetb.fr","retry":3600,"rname":"postmaster.planetb.fr","expire":604800,"serial":2024111900,"minimum":900,"refresh":10800},"TXT":["MS=C13965452AB5B055723116D3AE2FB8747205E500","_globalsign-domain-verification=DmRnH6ivh7cLkD_j9LcoX4NciHfZ2v0bIiNrf1odjH","_globalsign-domain-verification=FF9fXJr3wHjYjxygQ6NrvWAEsEpZul29SHB_euFPVK","v=spf1 a mx include:_spf.google.com ~all"]} | 0.0000000258845 | 13,508,372 | 2026-07-26 | RDAP | 2016-10-27 | 2027-07-10 | 2026-07-10 | PLANET BOURGOGNE | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.nic.fr/domain/bfcnumerique.fr","value":"https://rdap.nic.fr/domain/bfcnumerique.fr"}],"events":[{"eventDate":"2016-10-27T06:04:16Z","eventAction":"registration"},{"eventDate":"2027-07-10T13:45:03Z","eventAction":"expiration"},{"eventDate":"2026-07-10T13:52:18.99311Z","eventAction":"last changed"},{"eventDate":"2018-07-10T13:45:03Z","eventAction":"transfer"},{"eventDate":"2026-07-26T12:36:13.084228863Z","eventAction":"last update of RDAP database"}],"handle":"DOM000007542758-FRNIC","status":["active","auto renew 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| xn--264-eed8b.xn--p1ai | xn--p1ai | xn--p1ai | ICANN | HTTP 200 | 31.28.24.190 | RU | {"telegram":["https://t.me/Advocate_po_DTP"],"whatsapp":["https://wa.me/79672642641?"]} | 2026-09-23 | PHP 7.0.33, Nginx, HTTP/2, Favicon, YouTube, CKEditor, Let's Encrypt, WhatsApp Business Chat | 2026-09-22 | TRUE | {"A":["31.28.24.190"],"MX":[{"host":"mxs.hoster.ru","priority":10}],"NS":["ns10.hoster.ru","ns11.hoster.ru"],"CAA":[{"tag":"issue","flags":0,"value":"letsencrypt.org"}],"SOA":{"mname":"ns10.hoster.ru","retry":300,"rname":"support.hoster.ru","expire":604800,"serial":3012156893,"minimum":1800,"refresh":3600}} | 0.0000000223759 | 12,931,351 | 2026-06-11 | WHOIS | 2017-03-26 | 2027-03-26 | 2026-06-11 | REGRU-RF | {"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: XN--264-EED8B.XN--P1AI\nnserver: ns10.hoster.ru.\nnserver: ns11.hoster.ru.\nstate: REGISTERED, DELEGATED, VERIFIED\nperson: Private Person\nregistrar: REGRU-RF\nadmin-contact: http://www.reg.ru/whois/admin_contact\ncreated: 2017-03-26T05:16:44Z\npaid-till: 2027-03-26T05:16:44Z\nfree-date: 2027-04-26\nsource: TCI\n\nLast updated on 2026-06-11T08:13:01Z"} | Domain is active |
| algo-msk.com | com | com | ICANN | HTTP 200 | 91.189.114.30 | RU | {"facebook":["https://facebook.com/pages/%D0%A2%D0%A0%D0%98%D0%97-2014/677988188962649?sk=timeline"],"x-twitter":["https://twitter.com/TRIZ_2014"]} | 2026-09-26 | PHP, Nginx, Drupal 7, HTTP/2, jQuery, Favicon, OpenResty, Let's Encrypt, Google Font API | 2026-10-01 | TRUE | {"A":["91.189.114.30"],"MX":[{"host":"mx01.nicmail.ru","priority":10},{"host":"mx02.nicmail.ru","priority":5},{"host":"mx03.nicmail.ru","priority":20}],"NS":["ns3.nic.ru","ns4.nic.ru","ns8.nic.ru"],"SOA":{"mname":"ns3.nic.ru","retry":3600,"rname":"admin.algo-msk.com","expire":259200,"serial":1690301356,"minimum":600,"refresh":1440}} | 0.0000000191537 | 12,148,279 | 2026-01-27 | RDAP | 2005-02-04 | 2027-02-04 | 2026-01-27 | Regional Network Information Center, JSC dba RU-CENTER | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/ALGO-MSK.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/ALGO-MSK.COM"},{"rel":"related","href":"https://rdap.nic.ru/domain/ALGO-MSK.COM","type":"application/rdap+json","value":"https://rdap.nic.ru/domain/ALGO-MSK.COM"}],"events":[{"eventDate":"2005-02-04T14:40:11Z","eventAction":"registration"},{"eventDate":"2027-02-04T14:40:11Z","eventAction":"expiration"},{"eventDate":"2026-01-25T15:19:12Z","eventAction":"last changed"},{"eventDate":"2026-01-27T10:31:51Z","eventAction":"last update of RDAP database"}],"handle":"141540630_DOMAIN_COM-VRSN","status":["client transfer prohibited"],"ldhName":"ALGO-MSK.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/algo-msk.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/algo-msk.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://rdap.nic.ru/"}],"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.HC.RU","objectClassName":"nameserver"},{"ldhName":"NS2.HC.RU","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| bndechile.cl | cl | cl | ICANN | HTTP 200 | 186.67.125.101 | CL | {"youtube":["https://youtube.com/@patrimonio_cl"],"facebook":["https://facebook.com/patrimoniochile"],"instagram":["https://instagram.com/servicio_patrimonio"],"x-twitter":["https://x.com/patrimonio_cl"]} | 2026-09-29 | Google Analytics G-H6N1QP1NN3 UA-17444180-1 +1, PHP, HSTS, Nginx, Drupal 10, Favicon, Varnish, hreflang, OpenResty, Let's Encrypt | 2026-09-25 | TRUE | {"A":["186.67.125.101","186.67.125.31"],"MX":[{"host":"smtp.bibliotecanacional.cl","priority":10}],"NS":["ns.bndechile.cl","secundario.nic.cl"],"SOA":{"mname":"ns.bndechile.cl","retry":3600,"rname":"admbn.bndechile.cl","expire":604800,"serial":2023051909,"minimum":38400,"refresh":10800},"TXT":["v=spf1 ip4:200.72.159.2 ip4:200.72.159.20 ip4:190.151.104.139 mx:smtp.bibliotecanacional.cl include:spf.masterbase.com ~all"]} | 0.0000000152553 | 13,859,946 | 2025-08-16 | WHOIS | 2001-09-14 | 2026-10-08 | — | NIC Chile | {"raw_response":"Registrant name: Biblioteca Nacional de Chile\nRegistrant organisation: \nRegistrar name: NIC Chile\nRegistrar URL: https://www.nic.cl\nCreation date: 2001-09-14 22:42:33 CLST\nExpiration date: 2026-10-08 19:42:33 CLST\nName server: ns.bndechile.cl (186.67.125.101)\nName server: secundario.nic.cl\n\n%%\n%% For communication with domain contacts please use website.\n%% See https://www.nic.cl/registry/Whois.do?d=bndechile.cl\n%%\n%% Registry Abuse Contact Email: abuse@nic.cl\n%%\n"} | Domain is active |
| ulevitch.com | com | com | ICANN | HTTP 200 | 165.227.29.121 | US | {"linkedin":["https://linkedin.com/in/davidu"],"x-twitter":["https://x.com/davidu"]} | 2026-09-20 | HSTS, Nginx 1.18.0, HTTP/2, Ubuntu, Let's Encrypt, Google Workspace, Google Site Verification | 2026-10-02 | TRUE | {"A":["165.227.29.121"],"MX":[{"host":"alt1.aspmx.l.google.com","priority":20},{"host":"alt2.aspmx.l.google.com","priority":30},{"host":"aspmx.l.google.com","priority":10},{"host":"aspmx2.googlemail.com","priority":40},{"host":"aspmx3.googlemail.com","priority":40}],"NS":["ns1129.dns.dyn.com","ns2193.dns.dyn.com","ns3162.dns.dyn.com","ns4171.dns.dyn.com"],"SOA":{"mname":"ns1.mydyndns.org","retry":1800,"rname":"zone-admin.dyndns.com","expire":604800,"serial":2011070173,"minimum":1800,"refresh":10800},"TXT":["ciscocidomainverification=456aafbe84a72ecaa6d04367a87561df11d716110f2f348b5edf3e1e2307ddda google-site-verification=ByLcXmoJXYoypp0UxovxocMx5LeimHL1ZYtUdHvH-Nk","google-site-verification=ByLcXmoJXYoypp0UxovxocMx5LeimHL1ZYtUdHvH-Nk"]} | 0.000000013842 | 13,868,491 | 2025-07-04 | RDAP | 2000-02-11 | 2030-02-11 | 2025-07-04 | NameCheap, Inc. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/ULEVITCH.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/ULEVITCH.COM"},{"rel":"related","href":"https://rdap.namecheap.com/domain/ULEVITCH.COM","type":"application/rdap+json","value":"https://rdap.namecheap.com/domain/ULEVITCH.COM"}],"events":[{"eventDate":"2000-02-11T00:07:51Z","eventAction":"registration"},{"eventDate":"2030-02-11T00:07:51Z","eventAction":"expiration"},{"eventDate":"2024-02-13T03:47:52Z","eventAction":"last changed"},{"eventDate":"2025-07-04T04:31:04Z","eventAction":"last update of RDAP database"}],"handle":"19610896_DOMAIN_COM-VRSN","status":["client transfer prohibited"],"ldhName":"ULEVITCH.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/ulevitch.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/ulevitch.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.namecheap.com","type":"text/html","value":"https://rdap.namecheap.com/"}],"roles":["registrar"],"handle":"1068","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.6613102107"],["email",{},"text","abuse@namecheap.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"1068"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","NameCheap, Inc."]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS1.ULEVITCH.COM","objectClassName":"nameserver"},{"ldhName":"NS1129.DNS.DYN.COM","objectClassName":"nameserver"},{"ldhName":"NS2193.DNS.DYN.COM","objectClassName":"nameserver"},{"ldhName":"NS3162.DNS.DYN.COM","objectClassName":"nameserver"},{"ldhName":"NS4171.DNS.DYN.COM","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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Sitios con Let's Encrypt por país
| País | Sitios | Cuota |
|---|---|---|
| 🇰🇷 Corea del Sur | 5156 | 34,1 % |
| 🇺🇸 Estados Unidos | 2375 | 15,7 % |
| 🇩🇪 Alemania | 1854 | 12,3 % |
| 🇨🇦 Canadá | 864 | 5,7 % |
| 🇫🇷 Francia | 560 | 3,7 % |
El dataset Let's Encrypt
Todos los sitios que hemos detectado utilizando Let's Encrypt, con versión, hosting, país, TLD y ranking de tráfico.
Let's Encrypt está presente en 2 datasets
La detección de Let's Encrypt forma parte de Technologies (€159/mes) y All data (€599/mes). Compre cualquiera de los dos para filtrar la lista completa de 16.373 sitios, o consiga antes una vista previa gratuita.
Acerca de Let's Encrypt
Casi todos los sitios de la web pública se sirven ya por HTTPS, y una parte grande de esos certificados procede de Let's Encrypt. Nuestro recuento no dice eso. En octubre de 2026 registramos la autoridad de certificación en 16.373 sitios, una cifra sobre detección y no una cifra sobre emisión, y conviene entender la diferencia antes de usar el dato para nada.
Internet Security Research Group puso en marcha la autoridad en 2016 y entrega los certificados de forma gratuita con licencia Open Source, con la emisión y la renovación automatizadas mediante el protocolo ACME, de modo que los paneles de alojamiento, los paneles de control y los servidores web puedan solicitarlos sin que intervenga una persona. La emisión gratuita y automática es la razón de que la autoridad se volviera omnipresente, y esa misma omnipresencia es lo que hace incompleto un recuento basado en huellas. Un rastreo atribuye un certificado cuando la cadena, el texto del emisor o la configuración circundante se capturan y se reconocen, y no atribuye nada cuando un proxy, una CDN o un balanceador de carga presenta su propio certificado delante del origen.
Una señal parcial sigue siendo una señal en cuanto se sabe respecto a qué es parcial. Los sitios que terminan el TLS por su cuenta, en su propio servidor y con su propio certificado, son justamente aquellos en los que la detección funciona, y son además la población interesante para muchas preguntas. Un TLS terminado por uno mismo implica un servidor real con un administrador, un proceso de renovación que puede fallar y una configuración que puede quedarse desfasada, y por eso los proveedores de alojamiento, los proveedores de servicios gestionados, los escáneres de seguridad y los productos de gestión de certificados se interesan por quién pertenece a ese grupo.
La geografía refuerza la idea. En Corea del Sur se concentran 5156 de las detecciones y el sufijo .com recorre toda la lista, una distribución que refleja qué ecosistemas de alojamiento emiten certificados de una forma directamente visible, y no qué países han adoptado el cifrado. Leer el campo de país como una medida de adopción sería un error. Leerlo como un mapa de dónde es habitual un determinado patrón de alojamiento es razonable.
Nada de eso puede reconstruirse dominio a dominio, y dominio a dominio es la única manera en que suele plantearse la pregunta. Un navegador le dice a cualquier visitante quién emitió el certificado del sitio que tiene delante. Lo que ningún navegador le dirá es cómo se reparte por emisores una población de dominios, cómo se mueve ese reparto entre países y sufijos, y qué parte de ella termina su propio cifrado en lugar de resguardarse tras el borde de un tercero. La lista descargable es la forma en la que esa pregunta puede responderse de verdad.
Preguntas frecuentes
¿Cuántos sitios web usan Let's Encrypt?
webatla detecta Let's Encrypt en 16K sitios web, actualizados a diario, cada uno con su dominio, DNS, WHOIS, IP, país y clasificación.
¿Puedo descargar la lista de sitios web que usan Let's Encrypt?
Sí, en formato JSONL estructurado. Consiga antes una muestra gratuita.
¿Qué incluye cada sitio, y con qué frecuencia se actualiza?
Dominio, DNS, RDAP/WHOIS, la stack tecnológica completa, IP & país, PageRank y Harmonic, redetectados y reexportados a diario.
¿Cómo encuentro los sitios web que utilizan Let's Encrypt?
Compre el dataset Technologies y descargue la lista completa de dominios en los que detectamos Let's Encrypt, reexportada cada día.
¿Qué más incluyen los datos de tecnología de Let's Encrypt?
Cada fila coloca Let's Encrypt junto a las demás tecnologías del mismo sitio, además de DNS, WHOIS, IP, país y clasificación.
¿Puedo descargar solo los sitios que utilizan Let's Encrypt, o la base de datos completa?
Ambos. Cada sitio que usa Let's Encrypt figura en el dataset Technologies, un archivo descargable. O compre All data para toda la base de datos: tecnologías, más identidad, ranking, DNS y RDAP/WHOIS para cada dominio, reunidos en un solo archivo. Exportación actualizada a diario.
¿Cómo descargo la lista de sitios web que utilizan Let's Encrypt?
Tres pasos: (1) consiga la muestra gratuita de 10.000 filas para examinar el esquema, (2) compre el dataset Technologies, (3) descargue la lista completa de todos los dominios en los que detectamos Let's Encrypt, en forma de archivo JSON Lines. Se reexporta a diario, así que puede volver a descargar la lista más reciente en cualquier momento dentro de su periodo de acceso. Cada fila contiene el dominio junto con el DNS, el WHOIS, la IP, el país de alojamiento y la clasificación.
Consiga la lista completa de sitios web que usan Let's Encrypt
Elija el dataset que cubra lo que necesita. Cada uno incluye Let's Encrypt y se descarga en JSONL, reconstruido a diario.
El stack tecnológico completo de cada sitio: CMS, pagos, analítica, frameworks.
Todo lo que tenemos, en un solo paquete. El universo webatla completo.
¿Quiere comparar todos los datasets uno junto al otro? Ver la página de precios