Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

100 hosts (first page) · 381 ms

HostCertsFirst seenLast seenDNS
usnews.com 10 2026-03-16 2026-09-10 ok
*.usnews.com 17 2025-06-17 2026-09-17 —
secure-uat10.usnews.com 13 2026-04-30 2026-08-20 ok
health-uat10.usnews.com 13 2026-04-30 2026-08-20 ok
premium-uat10.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat10.usnews.com 13 2026-04-30 2026-08-20 ok
money-uat10.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat30.usnews.com 13 2026-04-30 2026-08-20 ok
creditcards-ua50.usnews.com 10 2026-04-30 2026-07-28 ok
www-uat50.usnews.com 13 2026-04-30 2026-08-20 ok
money-uat50.usnews.com 13 2026-04-30 2026-08-20 ok
health-uat11.usnews.com 13 2026-04-30 2026-08-20 ok
creditcards-uat11.usnews.com 10 2026-04-30 2026-07-28 ok
www-uat11.usnews.com 13 2026-04-30 2026-08-20 ok
money-uat11.usnews.com 13 2026-04-30 2026-08-20 ok
secure-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
realestate-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
health-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
auth-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
travel-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
premium-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
jobs-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
creditcards-uat21.usnews.com 10 2026-04-30 2026-07-28 ok
emailprefs-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
loans-uat21.usnews.com 10 2026-04-30 2026-07-28 ok
www-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
money-uat21.usnews.com 13 2026-04-30 2026-08-20 ok
realestate-uat31.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat31.usnews.com 13 2026-04-30 2026-08-20 ok
apivip1.usnews.com 9 2026-04-09 2026-09-10 ok
realestate-uat1.usnews.com 13 2026-04-30 2026-08-20 ok
emailprefs-uat1.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat1.usnews.com 13 2026-04-30 2026-08-20 ok
insurance-quotes-engine-uat12.usnews.com 13 2026-04-30 2026-08-20 ok
cms-uat12.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat12.usnews.com 13 2026-04-30 2026-08-20 ok
secure-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
realestate-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
health-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
auth-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
travel-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
premium-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
jobs-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
creditcards-uat22.usnews.com 10 2026-04-30 2026-07-28 ok
emailprefs-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
loans-uat22.usnews.com 10 2026-04-30 2026-07-28 ok
cars-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
money-uat22.usnews.com 13 2026-04-30 2026-08-20 ok
careers-uat32.usnews.com 13 2026-04-30 2026-08-20 ok
money-uat32.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat42.usnews.com 13 2026-04-30 2026-08-20 ok
money-uat42.usnews.com 13 2026-04-30 2026-08-20 ok
premium-sand52.usnews.com 3 2026-05-29 2026-08-26 ok
emailprefs-sand52.usnews.com 3 2026-05-29 2026-08-26 ok
cars-sand52.usnews.com 3 2026-05-29 2026-08-26 ok
www-sand52.usnews.com 3 2026-05-29 2026-08-26 ok
secure-uat2.usnews.com 13 2026-04-30 2026-08-20 ok
ai-uat2.usnews.com 13 2026-04-30 2026-08-20 ok
premium-uat2.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat2.usnews.com 13 2026-04-30 2026-08-20 ok
www-sand113.usnews.com 3 2026-05-29 2026-08-26 ok
creditcards-sand23.usnews.com 3 2026-05-29 2026-08-26 ok
www-sand23.usnews.com 3 2026-05-29 2026-08-26 ok
money-sand23.usnews.com 3 2026-05-29 2026-08-26 ok
cars-uat23.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat23.usnews.com 13 2026-04-30 2026-08-20 ok
cars-uat43.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat43.usnews.com 13 2026-04-30 2026-08-20 ok
health-uat3.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat3.usnews.com 13 2026-04-30 2026-08-20 ok
www-sand14.usnews.com 3 2026-05-29 2026-08-26 ok
www-uat24.usnews.com 13 2026-04-30 2026-08-20 ok
law-uat34.usnews.com 13 2026-04-30 2026-08-20 ok
cars-sand44.usnews.com 3 2026-05-29 2026-08-26 ok
health-sand4.usnews.com 3 2026-05-29 2026-08-26 ok
www-sand4.usnews.com 3 2026-05-29 2026-08-26 ok
money-sand4.usnews.com 3 2026-05-29 2026-08-26 ok
www-uat4.usnews.com 13 2026-04-30 2026-08-20 ok
secure-uat15.usnews.com 13 2026-04-30 2026-08-20 ok
premium-uat15.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat15.usnews.com 13 2026-04-30 2026-08-20 ok
cars-uat25.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat25.usnews.com 13 2026-04-30 2026-08-20 ok
realestate-uat35.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat35.usnews.com 13 2026-04-30 2026-08-20 ok
cars-sand45.usnews.com 3 2026-05-29 2026-08-26 ok
www-sand55.usnews.com 3 2026-05-29 2026-08-26 ok
www-uat5.usnews.com 13 2026-04-30 2026-08-20 ok
cars-uat16.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat16.usnews.com 13 2026-04-30 2026-08-20 ok
www-sand26.usnews.com 3 2026-05-29 2026-08-26 ok
health-uat36.usnews.com 3 2026-07-30 2026-08-20 ok
www-sand56.usnews.com 3 2026-05-29 2026-08-26 ok
www-sand6.usnews.com 3 2026-05-29 2026-08-26 ok
health-uat6.usnews.com 13 2026-04-30 2026-08-20 ok
www-uat6.usnews.com 13 2026-04-30 2026-08-20 ok
realestate-uat17.usnews.com 13 2026-04-30 2026-08-20 ok
creditcards-uat17.usnews.com 10 2026-04-30 2026-07-28 ok
emailprefs-uat17.usnews.com 9 2026-07-14 2026-08-20 ok

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/usnews.com.

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/usnews.com.