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 · 275 ms

HostCertsFirst seenLast seen
bemyfriends.com 12 2025-12-07 2026-08-19
*.bemyfriends.com 12 2025-12-07 2026-08-19
careers.bemyfriends.com 9 2026-06-02 2026-09-29
gw.bemyfriends.com 1 2025-10-14 2025-10-14

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