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.

19 hosts · 481 ms

HostCertsFirst seenLast seenDNS
clickbank.com 4 2025-08-08 2026-08-27 ok
*.clickbank.com 5 2025-08-08 2026-07-07 —
*.ad.clickbank.com 2 2026-03-31 2026-03-31 —
ldaps.ad.clickbank.com 2 2026-03-31 2026-03-31 ok
prod-static-cbwebsite.clickbank.com 2 2025-08-27 2025-09-03 nxdomain
onboarding.clickbank.com 10 2026-06-05 2026-10-01 ok
blog.clickbank.com 6 2026-04-24 2026-08-19 ok
securemail.clickbank.com 2 2025-07-09 2026-07-10 ok
moneycall.clickbank.com 14 2026-04-23 2026-08-19 ok
matillion.clickbank.com 1 2025-08-01 2025-08-01 nxdomain
go.clickbank.com 10 2026-04-24 2026-08-19 ok
*.dev.ms.clickbank.com 2 2025-07-20 2026-06-19 —
accounts.clickbank.com 4 2025-09-23 2026-08-24 ok
*.accounts.clickbank.com 7 2025-09-23 2026-08-24 —
status.clickbank.com 33 2026-05-26 2026-10-02 ok
support.clickbank.com 8 2026-05-13 2026-09-08 ok
www.support.clickbank.com 2 2026-02-26 2026-07-14 ok
www.clickbank.com 4 2025-09-03 2026-08-27 ok
prod-www.clickbank.com 2 2025-08-27 2025-09-03 nxdomain

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