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.

3 hosts · 263 ms

HostCertsFirst seenLast seenDNS
victory.bank 28 2026-04-27 2026-09-28 ok
*.victory.bank 17 2026-04-27 2026-09-16 —
www.victory.bank 10 2026-06-08 2026-10-05 ok

Programmatic access, with DNS A records: API GET /v1/hosts/victory.bank (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/victory.bank.