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 · 315 ms

HostCertsFirst seenLast seenDNS
dpc.fr 5 2026-05-18 2026-09-16 ok
rsc.dpc.fr 5 2026-04-25 2026-09-15 ok
sigdig.dpc.fr 4 2026-04-16 2026-08-15 ok
kimai.dpc.fr 5 2026-04-25 2026-09-15 ok
vr.dpc.fr 5 2026-04-25 2026-09-15 ok
collectivites.dpc.fr 5 2026-04-25 2026-09-15 ok
www.collectivites.dpc.fr 5 2026-04-24 2026-09-15 ok
mediatheques.dpc.fr 5 2026-04-25 2026-09-15 ok
www.mediatheques.dpc.fr 5 2026-04-24 2026-09-15 ok
realisations.dpc.fr 5 2026-05-18 2026-09-16 ok
www.realisations.dpc.fr 5 2026-05-18 2026-09-16 ok
documentations.dpc.fr 5 2026-04-25 2026-09-15 ok
news.dpc.fr 3 2026-05-25 2026-08-09 ok
extranet.dpc.fr 3 2026-05-26 2026-08-20 ok
www.dpc.fr 5 2026-05-18 2026-09-16 ok
maintenix.dpc.fr 4 2026-04-14 2026-08-12 ok
www.maintenix.dpc.fr 4 2026-04-14 2026-08-12 ok
survey.dpc.fr 5 2026-04-25 2026-09-15 ok
www.survey.dpc.fr 5 2026-04-25 2026-09-15 ok

Programmatic access, with DNS A records: API GET /v1/hosts/dpc.fr (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/dpc.fr.