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.

12 hosts · 149 ms

HostCertsFirst seenLast seen
counterpartymanager.spglobal.com 4 2026-01-10 2026-10-03
*.counterpartymanager.spglobal.com 2 2026-01-10 2026-01-10
qa4.counterpartymanager.spglobal.com 3 2026-06-12 2026-08-24
*.qa4.counterpartymanager.spglobal.com 1 2026-06-12 2026-06-12
qa5.counterpartymanager.spglobal.com 3 2026-06-15 2026-08-24
*.qa5.counterpartymanager.spglobal.com 1 2026-06-15 2026-06-15
qa.counterpartymanager.spglobal.com 3 2026-01-11 2026-08-24
*.qa.counterpartymanager.spglobal.com 1 2026-01-11 2026-01-11
uat.counterpartymanager.spglobal.com 2 2026-01-10 2026-09-10
*.uat.counterpartymanager.spglobal.com 1 2026-01-10 2026-01-10
euuat.counterpartymanager.spglobal.com 1 2026-01-05 2026-01-05
*.euuat.counterpartymanager.spglobal.com 1 2026-01-05 2026-01-05

Programmatic access: API GET /v1/hosts/counterpartymanager.spglobal.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/counterpartymanager.spglobal.com.