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.

6 hosts · 244 ms

HostCertsFirst seenLast seenDNS
roughdraftatlanta.com 4 2026-05-20 2026-09-21 ok
advertise.roughdraftatlanta.com 10 2026-04-30 2026-08-30 ok
calendar.roughdraftatlanta.com 2 2025-10-25 2026-09-24 ok
obituaries.roughdraftatlanta.com 26 2025-11-27 2026-09-10 ok
best.roughdraftatlanta.com 5 2026-04-27 2026-08-29 ok
www.roughdraftatlanta.com 4 2026-05-20 2026-09-21 ok

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