Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

4 hosts · 342 ms

Download CSV
HostCertsFirst seenLast seen
allmenus.com 4 2026-02-19 2026-09-25
*.allmenus.com 4 2026-02-19 2026-09-25
pp.allmenus.com 2 2026-04-11 2026-09-11
*.pp.allmenus.com 2 2026-04-11 2026-09-11

Programmatic access: API GET /v1/hosts/allmenus.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/allmenus.com.