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.

9 hosts · 276 ms

HostCertsFirst seenLast seenDNS
uniquephoto.com 30 2025-07-08 2026-09-10 ok
*.uniquephoto.com 30 2025-07-08 2026-09-10 —
e.uniquephoto.com 16 2026-05-17 2026-09-15 ok
*.e.uniquephoto.com 11 2026-05-17 2026-09-13 —
cdn.uniquephoto.com 2 2026-02-28 2026-07-10 ok
cloud.updates.uniquephoto.com 2 2025-08-10 2026-08-03 ok
image.updates.uniquephoto.com 2 2026-02-12 2026-02-12 ok
scans.uniquephoto.com 2 2026-03-03 2026-07-16 ok
show.uniquephoto.com 1 2026-03-01 2026-03-01 nodata

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