Find every subdomain
of a domain.

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

13 hosts · 309 ms

Download CSV
HostCertsFirst seenLast seen
adityabirlahealth.com 9 2026-04-27 2026-09-22
*.adityabirlahealth.com 8 2026-04-27 2026-09-01
tracking.ib14974.adityabirlahealth.com 1 2026-09-28 2026-09-28
kavach.adityabirlahealth.com 3 2026-04-16 2026-10-15
www.kavach.adityabirlahealth.com 3 2026-04-16 2026-10-15
kavachcoi.adityabirlahealth.com 3 2026-03-17 2026-09-28
abhigo-api.adityabirlahealth.com 2 2026-03-25 2026-10-06
uat-abhigo-api.adityabirlahealth.com 1 2026-01-08 2026-01-08
kavachapi.adityabirlahealth.com 3 2026-05-20 2026-09-29
www.kavachapi.adityabirlahealth.com 3 2026-05-20 2026-09-29
abhigo.adityabirlahealth.com 2 2026-03-25 2026-10-06
uat-abhigo.adityabirlahealth.com 1 2026-01-08 2026-01-08
tracking.renewals.adityabirlahealth.com 4 2026-06-07 2026-10-03

Programmatic access: API GET /v1/hosts/adityabirlahealth.com (API key for paging).

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/adityabirlahealth.com.