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.

11 hosts · 311 ms

HostCertsFirst seenLast seenDNS
antiquefarmhouse.com 7 2025-08-02 2026-10-03 ok
frthg.antiquefarmhouse.com 13 2026-06-02 2026-09-28 ok
staging.antiquefarmhouse.com 5 2026-04-23 2026-08-20 ok
bimi.antiquefarmhouse.com 3 2026-06-09 2026-08-09 ok
trk.antiquefarmhouse.com 4 2026-06-05 2026-10-03 ok
origin.antiquefarmhouse.com 4 2026-04-19 2026-08-09 ok
stagingorigin.antiquefarmhouse.com 6 2026-04-18 2026-08-18 ok
admin.antiquefarmhouse.com 4 2026-04-19 2026-08-09 ok
stagingadmin.antiquefarmhouse.com 6 2026-04-18 2026-08-18 ok
tools.antiquefarmhouse.com 5 2026-04-25 2026-08-23 ok
www.antiquefarmhouse.com 7 2025-08-02 2026-10-03 ok

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