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.

13 hosts · 349 ms

HostCertsFirst seenLast seenDNS
hod.care 3 2025-11-26 2026-02-17 ok
*.hod.care 5 2025-11-26 2026-08-26 —
uat-web.hod.care 3 2025-10-16 2026-09-16 ok
*.uat-web.hod.care 3 2025-10-16 2026-09-16 —
phc.hod.care 5 2026-06-06 2026-10-04 ok
blog.hod.care 4 2026-05-02 2026-06-30 ok
img.pr.hod.care 20 2026-04-11 2026-10-05 ok
r.pr.hod.care 3 2026-06-07 2026-08-26 ok
pacs.hod.care 3 2026-03-26 2026-08-26 nxdomain
*.pacs.hod.care 3 2026-03-26 2026-08-26 —
track.notifications.hod.care 10 2026-05-01 2026-08-29 ok
erp.notifications.hod.care 8 2026-06-04 2026-10-02 ok
chat.hod.care 2 2026-08-18 2026-08-18 ok

Programmatic access, with DNS A records: API GET /v1/hosts/hod.care (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/hod.care.