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.

20 hosts · 323 ms

HostCertsFirst seenLast seenDNS
fresha.com 2 2026-04-15 2026-09-15 ok
*.fresha.com 2 2026-04-15 2026-09-15 —
a.fresha.com 20 2026-05-31 2026-09-26 ok
d.fresha.com 4 2026-06-05 2026-09-28 ok
people.fresha.com 2 2026-03-03 2026-07-19 ok
*.people.fresha.com 2 2026-03-03 2026-07-19 —
huehue.fresha.com 10 2026-04-25 2026-10-05 ok
marketing.fresha.com 13 2026-06-01 2026-09-28 ok
blog.fresha.com 11 2026-06-02 2026-09-28 ok
l.fresha.com 2 2025-10-21 2026-09-21 ok
trail.fresha.com 1 2026-04-19 2026-04-19 nxdomain
rpzcqm.fresha.com 5 2025-07-03 2026-06-03 ok
*.rpzcqm.fresha.com 3 2025-07-03 2026-06-03 —
2a57j78878lzx88uodzybiwwwq2ps5s.rpzcqm.fresha.com 2 2025-07-03 2026-06-03 nxdomain
design.fresha.com 4 2026-04-21 2026-08-17 ok
join.fresha.com 5 2026-05-12 2026-09-27 ok
images.fresha.com 5 2026-05-18 2026-09-15 ok
terms.fresha.com 9 2026-05-31 2026-09-27 ok
careers.fresha.com 5 2026-06-30 2026-09-18 ok
images-test.fresha.com 5 2026-05-18 2026-09-15 ok

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