Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

21 hosts · 270 ms

HostCertsFirst seenLast seen
rt5-m.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt6-m.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt7-m.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt8-m.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt5-res.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt6-res.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt7-res.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt8-res.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt5-t.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt6-t.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt7-t.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt8-t.mc.e.mail.axa.fr 1 2025-11-19 2025-11-19
m.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt10-m.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt9-m.e.mail.axa.fr 1 2025-11-19 2025-11-19
res.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt10-res.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt9-res.e.mail.axa.fr 1 2025-11-19 2025-11-19
t.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt10-t.e.mail.axa.fr 1 2025-11-19 2025-11-19
rt9-t.e.mail.axa.fr 1 2025-11-19 2025-11-19

Programmatic access: API GET /v1/hosts/e.mail.axa.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/e.mail.axa.fr.