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 · 348 ms

HostCertsFirst seenLast seenDNS
dominos.com.kh 3 2026-01-15 2026-01-15 ok
*.dominos.com.kh 3 2026-01-15 2026-01-15 —
analytics.dominos.com.kh 3 2026-05-08 2026-08-27 ok
www.dominos.com.kh 2 2026-01-22 2026-01-22 ok

Programmatic access, with DNS A records: API GET /v1/hosts/dominos.com.kh (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/dominos.com.kh.