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.

11 hosts · 276 ms

HostCertsFirst seenLast seenDNS
clearjunction.com 1 2026-01-15 2026-01-15 ok
*.clearjunction.com 2 2025-08-20 2026-07-21 —
*.client-ca.clearjunction.com 4 2026-04-28 2026-07-20 —
*.sandbox-ca.clearjunction.com 4 2026-04-28 2026-07-20 —
email.clearjunction.com 8 2026-04-20 2026-08-16 ok
api-docs.clearjunction.com 5 2026-05-09 2026-09-06 ok
resources.clearjunction.com 8 2026-04-21 2026-08-17 ok
terms.clearjunction.com 1 2026-02-15 2026-02-15 ok
*.client.clearjunction.com 5 2026-04-28 2026-08-03 —
www.clearjunction.com 1 2026-01-15 2026-01-15 ok
*.sandbox.clearjunction.com 5 2026-04-28 2026-08-03 —

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