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 · 315 ms

HostCertsFirst seenLast seenDNS
fotocasa.pro 2 2025-10-06 2026-09-06 ok
*.fotocasa.pro 4 2025-09-21 2026-09-06 —
id.fotocasa.pro 2 2025-09-30 2025-09-30 nodata
pre.fotocasa.pro 2 2025-09-23 2026-08-23 ok
login.gw.pre.fotocasa.pro 1 2025-09-01 2025-09-01 nxdomain
*.cross.fotocasa.pro 1 2025-12-04 2025-12-04 —
*.pre.cross.fotocasa.pro 1 2025-12-04 2025-12-04 —
test.pre.cross.fotocasa.pro 1 2025-12-31 2025-12-31 nxdomain
gw.fotocasa.pro 4 2025-10-14 2026-09-13 nodata
*.gw.fotocasa.pro 4 2025-10-14 2026-09-13 —
uniquetool.gw.fotocasa.pro 4 2026-05-17 2026-09-14 ok
login.gw.fotocasa.pro 7 2025-09-01 2026-08-11 ok
login.lip.gw.fotocasa.pro 1 2025-11-20 2025-11-20 nxdomain
leads.gw.fotocasa.pro 4 2026-05-17 2026-09-14 ok
thirdparties.gw.fotocasa.pro 3 2026-05-18 2026-09-15 ok
imports.gw.fotocasa.pro 4 2026-05-17 2026-09-14 ok

Programmatic access, with DNS A records: API GET /v1/hosts/fotocasa.pro (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/fotocasa.pro.