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.

19 hosts · 338 ms

HostCertsFirst seenLast seenDNS
metlife.es 5 2025-12-12 2026-09-11 ok
customerservice.metlife.es 2 2026-04-27 2026-05-08 ok
areacliente.metlife.es 13 2026-05-20 2026-09-17 ok
m.metlife.es 6 2025-07-22 2025-12-10 ok
ssologin.metlife.es 2 2025-12-09 2026-05-18 ok
qa.ssologin.metlife.es 1 2025-12-10 2025-12-10 ok
obpdesarrollo.metlife.es 30 2025-08-20 2026-09-29 nxdomain
obppruebas.metlife.es 27 2025-09-09 2026-09-29 nxdomain
extranetpruebas.metlife.es 2 2026-02-23 2026-09-29 ok
l.soluciones.metlife.es 8 2026-05-06 2026-09-01 ok
x.soluciones.metlife.es 6 2026-05-06 2026-09-02 ok
webclientes.metlife.es 13 2025-07-01 2026-10-05 ok
siniestros.metlife.es 9 2025-12-15 2026-08-07 ok
qa.siniestros.metlife.es 9 2025-12-15 2026-08-07 nxdomain
seguros.metlife.es 2 2025-09-16 2026-09-29 ok
extranet.metlife.es 11 2025-12-15 2026-10-05 ok
www.metlife.es 8 2025-07-22 2026-09-08 ok
greenap.www.metlife.es 2 2025-10-14 2025-10-14 nxdomain
greenus.www.metlife.es 2 2025-10-14 2025-10-14 nxdomain

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