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.

16 hosts · 267 ms

HostCertsFirst seenLast seen
paf.com 16 2026-05-07 2026-09-26
*.paf.com 16 2026-05-07 2026-09-26
tracker-aa.paf.com 2 2026-06-04 2026-06-04
id.paf.com 4 2026-06-09 2026-10-07
maintenance.paf.com 10 2026-04-30 2026-08-26
bi.paf.com 3 2026-04-19 2026-09-19
gtm.paf.com 5 2026-04-26 2026-10-06
newsletter-cdn.paf.com 3 2026-04-29 2026-09-29
poker.paf.com 1 2026-01-16 2026-01-16
*.poker.paf.com 1 2026-01-16 2026-01-16
river.paf.com 5 2026-04-21 2026-10-01
resources.paf.com 8 2026-04-30 2026-08-26
colossus.paf.com 2 2025-07-08 2026-06-08
extranet.paf.com 3 2026-05-10 2026-08-23
bitest.paf.com 3 2025-09-14 2026-08-14
identity.paf.com 5 2026-06-01 2026-09-29

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