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.

29 hosts · 355 ms

HostCertsFirst seenLast seenDNS
euro-assurance.com 3 2026-02-25 2026-08-10 ok
*.euro-assurance.com 3 2026-02-25 2026-08-10 —
1207ea.euro-assurance.com 7 2026-05-09 2026-09-07 ok
proximeo-preprod.euro-assurance.com 6 2026-05-07 2026-09-02 ok
retour-partenaires-preprod.euro-assurance.com 6 2026-07-06 2026-09-03 ok
retour-partenaires-nonprod.euro-assurance.com 6 2026-07-09 2026-09-06 ok
proximeo-cie.euro-assurance.com 10 2026-04-22 2026-08-19 ok
retour-partenaires-recette.euro-assurance.com 6 2026-07-06 2026-09-03 ok
retour-partenaires-qualif.euro-assurance.com 4 2026-07-06 2026-09-03 ok
recette-evoli.euro-assurance.com 8 2026-04-30 2026-08-26 ok
dev-evoli.euro-assurance.com 10 2026-04-23 2026-08-19 ok
tk.euro-assurance.com 4 2026-04-19 2026-08-17 ok
res2.email.euro-assurance.com 1 2025-11-12 2025-11-12 ok
t2.email.euro-assurance.com 2 2025-11-12 2025-11-12 ok
m3.email.euro-assurance.com 2 2025-11-12 2025-11-12 ok
res3.email.euro-assurance.com 1 2025-11-12 2025-11-12 ok
t3.email.euro-assurance.com 2 2025-11-12 2025-11-12 ok
web.email.euro-assurance.com 2 2025-11-12 2025-11-12 ok
m.email.euro-assurance.com 2 2025-11-12 2025-11-12 ok
res.email.euro-assurance.com 4 2025-11-12 2026-10-04 ok
t.email.euro-assurance.com 2 2025-11-12 2025-11-12 ok
sms.euro-assurance.com 5 2026-04-17 2026-10-03 ok
espacepaiement.euro-assurance.com 10 2026-04-21 2026-08-18 servfail
proximeo-gst-test.euro-assurance.com 10 2026-05-05 2026-09-01 ok
proximeo-gst.euro-assurance.com 8 2026-04-22 2026-08-18 ok
retour-partenaires-dev.euro-assurance.com 6 2026-07-06 2026-09-03 ok
www.euro-assurance.com 9 2026-04-20 2026-08-16 ok
recette-www.euro-assurance.com 11 2026-04-30 2026-08-26 ok
dev-www.euro-assurance.com 8 2026-04-23 2026-08-19 ok

Programmatic access, with DNS A records: API GET /v1/hosts/euro-assurance.com (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/euro-assurance.com.