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 · 276 ms

HostCertsFirst seenLast seenDNS
beetel.in 1 2026-02-06 2026-02-06 ok
*.beetel.in 1 2026-02-06 2026-02-06 —
uat.beetel.in 5 2026-05-12 2026-09-11 ok

Programmatic access, with DNS A records: API GET /v1/hosts/beetel.in (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/beetel.in.