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.

21 hosts · 246 ms

HostCertsFirst seenLast seenDNS
admagazine.fr 10 2025-09-18 2026-09-10 ok
*.admagazine.fr 11 2025-09-18 2026-09-10 —
c2.admagazine.fr 5 2025-12-29 2025-12-29 ok
media.admagazine.fr 6 2025-07-30 2026-08-26 ok
stag-media.admagazine.fr 6 2025-07-30 2026-08-26 ok
*.stag-media.admagazine.fr 1 2026-01-05 2026-01-05 —
*.media.admagazine.fr 1 2026-01-05 2026-01-05 —
hb.admagazine.fr 2 2025-07-04 2026-06-03 nxdomain
c.admagazine.fr 5 2025-12-29 2025-12-29 ok
qc.admagazine.fr 10 2025-09-23 2026-08-24 ok
ssc.admagazine.fr 3 2026-04-21 2026-09-21 ok
interactive.admagazine.fr 1 2026-06-30 2026-06-30 ok
permutive.admagazine.fr 4 2026-04-20 2026-08-19 ok
stag.admagazine.fr 2 2026-01-05 2026-01-27 ok
interactive-stag.admagazine.fr 3 2026-06-16 2026-06-18 ok
*.stag.admagazine.fr 1 2026-01-05 2026-01-05 —
link.admagazine.fr 5 2026-04-23 2026-08-21 ok
studio.admagazine.fr 3 2025-10-28 2026-09-27 ok
newsletter.admagazine.fr 1 2026-01-01 2026-01-01 ok
magazines.admagazine.fr 1 2026-05-20 2026-05-20 ok
logindps.admagazine.fr 2 2026-03-17 2026-08-17 ok

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