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.

4 hosts · 276 ms

HostCertsFirst seenLast seenDNS
megacreative.network 29 2026-04-13 2026-10-07 ok
*.megacreative.network 18 2026-04-13 2026-10-07 —
www.megacreative.network 11 2026-06-11 2026-10-07 ok
*.www.megacreative.network 11 2026-06-11 2026-10-07 —

Programmatic access, with DNS A records: API GET /v1/hosts/megacreative.network (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/megacreative.network.