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 · 309 ms

HostCertsFirst seenLast seenDNS
condenast.fr 19 2025-10-06 2026-09-10 ok
*.condenast.fr 18 2025-10-06 2026-09-10 —
hb.condenast.fr 2 2025-07-04 2026-06-03 nxdomain
c.condenast.fr 5 2025-12-29 2025-12-29 ok
qc.condenast.fr 10 2025-09-23 2026-08-24 ok
api.condenast.fr 1 2025-12-10 2025-12-10 nxdomain
preprod-api.condenast.fr 1 2025-12-10 2025-12-10 nxdomain
link.condenast.fr 5 2026-04-23 2026-08-21 ok
adportal.condenast.fr 7 2026-05-11 2026-08-29 ok
depositfiles.condenast.fr 8 2025-10-18 2026-08-29 ok
logindps.condenast.fr 2 2026-03-17 2026-08-17 ok
contributeurs.condenast.fr 1 2026-01-16 2026-01-16 ok
abonnement.condenast.fr 5 2026-04-27 2026-08-25 ok
preprod-abonnement.condenast.fr 1 2025-11-23 2025-11-23 nxdomain
doc.multiyou.condenast.fr 14 2026-05-05 2026-09-01 ok
privacy.condenast.fr 1 2025-07-16 2025-07-16 nxdomain

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