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.

5 hosts · 320 ms

HostCertsFirst seenLast seenDNS
mancalagaming.com 1 2025-11-27 2025-11-27 ok
*.mancalagaming.com 1 2025-11-27 2025-11-27 —
cdn.mancalagaming.com 4 2026-04-11 2026-08-22 ok
mta-sts.mancalagaming.com 8 2026-05-14 2026-09-09 ok
survey.mancalagaming.com 3 2026-06-30 2026-09-21 ok

Programmatic access, with DNS A records: API GET /v1/hosts/mancalagaming.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/mancalagaming.com.