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.

19 hosts · 413 ms

HostCertsFirst seenLast seenDNS
cloudfree.shop 10 2026-05-31 2026-10-04 ok
wp1.cloudfree.shop 4 2026-04-24 2026-06-23 ok
kb.cloudfree.shop 5 2026-05-30 2026-09-27 ok
old.cloudfree.shop 3 2026-08-06 2026-08-06 ok
email.snd.cloudfree.shop 5 2026-04-26 2026-08-24 ok
auth.cloudfree.shop 5 2026-05-12 2026-09-08 ok
bimi.cloudfree.shop 1 2026-08-19 2026-08-19 ok
api.cloudfree.shop 8 2026-04-30 2026-08-27 ok
track.cloudfree.shop 5 2026-05-30 2026-09-26 ok
mail.cloudfree.shop 5 2026-05-21 2026-09-18 ok
go.cloudfree.shop 6 2026-04-30 2026-08-27 ok
rates.cloudfree.shop 6 2026-05-13 2026-09-10 ok
emails.cloudfree.shop 5 2026-05-29 2026-09-26 ok
tools.cloudfree.shop 4 2026-04-13 2026-08-11 ok
account.cloudfree.shop 1 2026-09-09 2026-09-09 ok
support.cloudfree.shop 7 2026-05-21 2026-09-16 ok
eu.cloudfree.shop 5 2026-06-01 2026-09-29 ok
www.cloudfree.shop 18 2026-06-01 2026-10-05 ok
pay.cloudfree.shop 4 2026-04-14 2026-08-11 ok

Programmatic access, with DNS A records: API GET /v1/hosts/cloudfree.shop (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/cloudfree.shop.