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 · 568 ms

HostCertsFirst seenLast seenDNS
fitgeneration.es 24 2026-04-15 2026-09-07 ok
*.fitgeneration.es 20 2026-05-11 2026-09-07 —
collab.fitgeneration.es 1 2026-09-02 2026-09-02 ok
store.fitgeneration.es 11 2026-06-03 2026-09-30 ok
secure.fitgeneration.es 5 2026-05-19 2026-09-16 ok
warehouse.fitgeneration.es 13 2026-06-03 2026-09-29 ok
capig.fitgeneration.es 10 2026-05-02 2026-08-28 ok
bi.fitgeneration.es 14 2026-06-06 2026-10-02 ok
deck.fitgeneration.es 5 2026-05-28 2026-09-25 ok
www.deck.fitgeneration.es 5 2026-05-30 2026-09-26 ok
wheel.fitgeneration.es 6 2026-06-07 2026-06-07 nxdomain
lwmail.fitgeneration.es 5 2026-05-18 2026-09-15 ok
go.fitgeneration.es 5 2026-05-21 2026-09-18 ok
app.fitgeneration.es 3 2026-06-13 2026-08-15 ok
damemishaker.fitgeneration.es 4 2026-05-17 2026-07-15 nxdomain
fitmas.fitgeneration.es 6 2026-05-12 2026-07-10 nxdomain
somos.fitgeneration.es 4 2026-06-06 2026-10-04 ok
load.somos.fitgeneration.es 12 2026-04-11 2026-10-06 ok
gifts.fitgeneration.es 5 2026-04-23 2026-08-21 ok
fonts.fitgeneration.es 5 2026-05-10 2026-09-07 ok
t.fitgeneration.es 5 2026-05-13 2026-09-10 ok
www.fitgeneration.es 4 2026-04-15 2026-08-13 ok
pay.fitgeneration.es 3 2026-07-26 2026-09-27 ok
academy.fitgeneration.es 20 2026-04-19 2026-10-03 ok

Programmatic access, with DNS A records: API GET /v1/hosts/fitgeneration.es (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/fitgeneration.es.