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.

10 hosts · 329 ms

HostCertsFirst seenLast seenDNS
paradoxinteractive.com 6 2025-07-14 2026-07-14 ok
*.paradoxinteractive.com 4 2025-07-14 2026-07-14 —
millennia.paradoxinteractive.com 1 2026-09-29 2026-09-29 ok
email.paradoxinteractive.com 5 2026-05-20 2026-09-23 ok
1pw-scim.paradoxinteractive.com 5 2026-05-23 2026-09-20 ok
creators.paradoxinteractive.com 10 2026-04-18 2026-09-06 ok
it.paradoxinteractive.com 11 2026-05-31 2026-09-26 ok
www.paradoxinteractive.com 2 2025-12-02 2026-02-14 ok
play.paradoxinteractive.com 8 2026-04-21 2026-08-18 ok
foundry.paradoxinteractive.com 2 2026-09-24 2026-09-24 ok

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