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.

22 hosts · 291 ms

HostCertsFirst seenLast seenDNS
creation.com 50 2026-04-17 2026-09-16 ok
*.creation.com 35 2026-02-18 2026-09-16 —
israel2023.creation.com 11 2026-04-18 2026-08-14 ok
za.creation.com 5 2026-05-05 2026-09-02 ok
backend-cached.creation.com 5 2026-05-03 2026-08-30 ok
backend.creation.com 5 2026-05-02 2026-08-30 ok
thebridge.creation.com 5 2026-05-02 2026-09-14 ok
*.staging.creation.com 5 2026-05-07 2026-09-05 —
mailing.creation.com 3 2026-06-09 2026-08-23 ok
multimedia.mailing.creation.com 3 2026-06-09 2026-08-23 ok
www.mailing.creation.com 3 2026-06-09 2026-08-23 ok
ordering-system.creation.com 3 2026-07-01 2026-08-30 ok
design.creation.com 10 2026-05-01 2026-08-27 nxdomain
design-system-docs.creation.com 12 2026-04-18 2026-08-14 ok
contacts.creation.com 5 2026-05-23 2026-09-19 ok
tickets.creation.com 3 2026-07-01 2026-08-29 ok
assets.creation.com 5 2026-05-10 2026-09-06 ok
us.creation.com 4 2026-04-20 2026-08-18 ok
maxus.creation.com 5 2026-05-12 2026-09-09 ok
connect.creation.com 11 2026-04-19 2026-08-16 ok
start.creation.com 7 2026-05-08 2026-09-04 ok
next.creation.com 2 2026-05-02 2026-05-02 ok

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