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.

17 hosts · 341 ms

HostCertsFirst seenLast seenDNS
anotherland.com 4 2026-04-21 2026-08-24 ok
2026.anotherland.com 5 2026-06-01 2026-09-29 ok
embed.anotherland.com 8 2026-05-22 2026-09-12 ok
header.embed.anotherland.com 1 2026-08-19 2026-08-19 ok
dashboard.anotherland.com 9 2026-05-23 2026-09-18 ok
unitedpeople.anotherland.com 1 2026-09-08 2026-09-08 ok
home.anotherland.com 4 2026-06-26 2026-08-24 ok
share.anotherland.com 6 2026-06-23 2026-08-21 ok
release.anotherland.com 8 2026-07-23 2026-09-20 ok
track.mail.anotherland.com 1 2026-08-04 2026-08-04 ok
assets.mail.anotherland.com 5 2026-07-31 2026-09-29 ok
admin.anotherland.com 7 2026-04-21 2026-06-22 ok
shop.anotherland.com 15 2026-05-11 2026-09-21 ok
preferences.anotherland.com 6 2026-07-13 2026-09-10 ok
camps.anotherland.com 7 2026-05-12 2026-09-09 ok
embed-test.anotherland.com 2 2026-07-14 2026-07-14 ok
www.anotherland.com 4 2026-04-21 2026-08-23 ok

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