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.

24 hosts · 254 ms

HostCertsFirst seenLast seenDNS
sternpinball.com 42 2026-04-11 2026-10-05 ok
*.sternpinball.com 34 2026-04-11 2026-10-05 —
r2.sternpinball.com 6 2026-05-29 2026-10-02 ok
budibase.sternpinball.com 1 2026-08-12 2026-08-12 ok
landing.sternpinball.com 8 2026-04-13 2026-08-10 ok
fwtrack.sternpinball.com 5 2026-04-23 2026-08-21 ok
link.sternpinball.com 4 2026-06-06 2026-10-04 ok
svn.sternpinball.com 1 2026-02-04 2026-02-04 ok
flip.sternpinball.com 14 2026-04-13 2026-10-07 ok
shop.sternpinball.com 13 2026-05-17 2026-09-25 ok
wp.sternpinball.com 10 2026-07-13 2026-09-10 ok
*.insider.sternpinball.com 1 2026-04-18 2026-04-18 —
sales.sternpinball.com 12 2026-05-14 2026-09-09 ok
tools.sternpinball.com 5 2026-09-14 2026-09-14 ok
*.tools.sternpinball.com 2 2026-09-14 2026-09-14 —
jenkins.sternpinball.com 1 2026-07-31 2026-07-31 ok
subscriptions.sternpinball.com 9 2026-02-17 2026-06-08 ok
assets.sternpinball.com 5 2026-09-14 2026-09-14 ok
*.assets.sternpinball.com 2 2026-09-14 2026-09-14 —
parents.sternpinball.com 10 2025-06-13 2026-09-17 ok
mta-sts.sternpinball.com 2 2026-05-31 2026-08-10 ok
contactus.sternpinball.com 11 2026-05-26 2026-09-21 ok
direct.sternpinball.com 13 2026-04-28 2026-09-06 ok
www.sternpinball.com 5 2026-07-13 2026-09-13 ok

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