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.

16 hosts · 271 ms

HostCertsFirst seenLast seenDNS
blindsgalore.com 3 2025-11-26 2026-07-17 ok
*.blindsgalore.com 1 2026-01-26 2026-01-26 —
d.email.blindsgalore.com 14 2026-05-06 2026-09-01 ok
e.email.blindsgalore.com 11 2026-05-07 2026-09-02 ok
se.email.blindsgalore.com 21 2026-04-30 2026-08-27 ok
mg.email.blindsgalore.com 5 2026-04-24 2026-08-22 ok
vpn.blindsgalore.com 1 2026-01-15 2026-01-15 ok
internal-vpn.blindsgalore.com 1 2025-10-09 2025-10-09 nxdomain
www.vpn.blindsgalore.com 1 2026-01-15 2026-01-15 nxdomain
cpwrbr.blindsgalore.com 3 2026-04-28 2026-09-07 ok
s.blindsgalore.com 5 2025-07-08 2026-07-07 ok
www.s.blindsgalore.com 4 2025-07-08 2026-07-07 nxdomain
preferences.blindsgalore.com 8 2026-05-06 2026-09-01 ok
forms.blindsgalore.com 9 2026-06-01 2026-09-27 ok
t.blindsgalore.com 14 2026-04-18 2026-08-14 ok
www.blindsgalore.com 1 2025-11-26 2025-11-26 ok

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