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.

14 hosts · 289 ms

HostCertsFirst seenLast seenDNS
accesslegal.com 18 2026-05-09 2026-09-25 ok
*.accesslegal.com 18 2026-05-09 2026-09-25 —
intake.accesslegal.com 3 2026-06-01 2026-08-10 ok
staging.intake.accesslegal.com 3 2026-06-01 2026-08-14 ok
voice-relay-test.intake.accesslegal.com 1 2026-07-10 2026-07-10 ok
voice-relay-test-relay.intake.accesslegal.com 1 2026-07-10 2026-07-10 ok
aidg.accesslegal.com 3 2026-07-21 2026-09-22 ok
training.accesslegal.com 5 2026-04-23 2026-09-10 ok
staging.ai.accesslegal.com 1 2026-08-31 2026-08-31 —
app.accesslegal.com 3 2026-06-12 2026-08-21 ok
policies.accesslegal.com 1 2026-04-17 2026-04-17 ok
events.accesslegal.com 6 2026-04-10 2026-08-07 ok
meet.accesslegal.com 4 2026-05-23 2026-08-01 ok
community.accesslegal.com 6 2026-05-17 2026-09-12 ok

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