Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

19 hosts · 191 ms

HostCertsFirst seenLast seen
naked.net 104 2026-04-11 2026-10-05
*.naked.net 17 2026-04-19 2026-09-21
app-1.naked.net 2 2026-05-24 2026-05-24
*.app-1.naked.net 2 2026-05-24 2026-05-24
app1.naked.net 10 2026-05-25 2026-09-20
*.app1.naked.net 4 2026-05-25 2026-05-25
app2.naked.net 2 2026-05-25 2026-05-25
*.app2.naked.net 2 2026-05-25 2026-05-25
static.naked.net 6 2026-05-21 2026-09-16
*.static.naked.net 6 2026-05-21 2026-09-16
go.naked.net 5 2026-05-18 2026-09-13
a1pp.naked.net 2 2026-05-25 2026-05-25
*.a1pp.naked.net 2 2026-05-25 2026-05-25
app.naked.net 43 2026-05-24 2026-09-21
*.app.naked.net 33 2026-05-24 2026-09-21
r.naked.net 4 2026-09-09 2026-09-09
*.r.naked.net 4 2026-09-09 2026-09-09
analytics.naked.net 5 2026-06-08 2026-09-24
jetzt.naked.net 15 2026-04-11 2026-10-05

Programmatic access: API GET /v1/hosts/naked.net (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/naked.net.