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.

9 hosts · 293 ms

Download CSV
HostCertsFirst seenLast seen
pgbank.com 15 2026-05-01 2026-10-16
*.pgbank.com 15 2026-05-01 2026-10-16
tm.pgbank.com 5 2026-06-10 2026-09-26
hns-synfo.pgbank.com 2 2025-10-20 2026-10-16
yellowhammer.pgbank.com 2 2025-08-12 2026-08-06
statements.pgbank.com 2 2025-08-18 2026-08-31
ft.pgbank.com 3 2026-04-20 2026-10-13
www.ft.pgbank.com 3 2026-04-20 2026-10-13
2023annualreport.pgbank.com 2 2026-03-31 2026-04-06

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