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.

28 hosts · 354 ms

HostCertsFirst seenLast seenDNS
goodie.pl 1 2026-04-28 2026-04-28 ok
preprd.goodie.pl 2 2025-07-08 2026-06-09 ok
*.preprd.goodie.pl 2 2025-07-08 2026-06-09 —
images.preprd.goodie.pl 3 2026-05-14 2026-09-27 ok
assets.preprd.goodie.pl 3 2026-05-14 2026-09-27 ok
mobileapi.goodie.pl 2 2026-04-24 2026-04-24 ok
www.mobileapi.goodie.pl 2 2026-04-24 2026-04-24 nxdomain
externalapi.goodie.pl 3 2026-03-27 2026-09-14 ok
www.externalapi.goodie.pl 3 2026-03-27 2026-09-14 nxdomain
lp.goodie.pl 4 2026-04-11 2026-09-09 ok
ekarty.lp.goodie.pl 4 2026-04-10 2026-09-08 ok
partner.goodie.pl 3 2026-03-27 2026-09-14 ok
www.partner.goodie.pl 3 2026-03-27 2026-09-14 nxdomain
images.goodie.pl 3 2026-05-14 2026-09-28 ok
videos.goodie.pl 3 2026-05-14 2026-09-27 ok
business.goodie.pl 1 2026-07-28 2026-07-28 nxdomain
www.business.goodie.pl 1 2026-07-28 2026-07-28 nxdomain
assets.goodie.pl 3 2026-05-14 2026-09-27 ok
documents.goodie.pl 3 2026-05-15 2026-09-28 ok
uat.goodie.pl 1 2026-02-17 2026-02-17 ok
*.uat.goodie.pl 1 2026-02-17 2026-02-17 —
images.uat.goodie.pl 3 2026-05-17 2026-10-01 ok
assets.uat.goodie.pl 3 2026-05-14 2026-09-28 ok
int.goodie.pl 1 2026-01-28 2026-01-28 ok
*.int.goodie.pl 1 2026-01-28 2026-01-28 —
www.goodie.pl 1 2026-04-28 2026-04-28 ok
sandbox.goodie.pl 3 2026-03-27 2026-09-14 ok
www.sandbox.goodie.pl 3 2026-03-27 2026-09-14 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/goodie.pl (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/goodie.pl.