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.

50 hosts · 341 ms

HostCertsFirst seenLast seenDNS
mexem.com 22 2026-04-25 2026-09-02 ok
*.mexem.com 14 2026-04-25 2026-08-21 —
lp2.mexem.com 8 2026-05-02 2026-08-28 ok
de.lp2.mexem.com 10 2026-05-15 2026-09-10 ok
nl.lp2.mexem.com 10 2026-05-14 2026-09-09 ok
fr.lp2.mexem.com 10 2026-05-16 2026-09-11 ok
es.lp2.mexem.com 10 2026-05-14 2026-09-09 ok
it.lp2.mexem.com 10 2026-05-15 2026-09-10 ok
hu.lp2.mexem.com 9 2026-05-16 2026-09-11 ok
www.lp2.mexem.com 10 2026-05-05 2026-09-01 ok
vmc.mexem.com 3 2026-06-06 2026-08-06 ok
de.mexem.com 10 2026-05-15 2026-09-10 ok
uk.mexem.com 11 2026-06-04 2026-09-30 ok
www.uk.mexem.com 10 2026-04-20 2026-08-16 ok
accountsuk.mexem.com 2 2026-03-05 2026-07-02 ok
portal.mexem.com 9 2025-08-26 2026-09-22 ok
el.mexem.com 12 2026-06-06 2026-10-02 ok
nl.mexem.com 8 2026-05-15 2026-09-10 ok
pl.mexem.com 8 2026-05-16 2026-09-11 ok
in.mexem.com 4 2026-05-04 2026-07-03 ok
tap-admin.mexem.com 2 2026-08-03 2026-10-04 ok
ro.mexem.com 11 2026-05-16 2026-09-11 ok
accountszero.mexem.com 4 2026-01-12 2026-10-06 ok
www.accountszero.mexem.com 1 2026-01-12 2026-01-12 nxdomain
lp.mexem.com 8 2026-05-04 2026-08-30 ok
da.lp.mexem.com 6 2026-05-15 2026-09-11 ok
de.lp.mexem.com 8 2026-05-16 2026-09-11 ok
fi.lp.mexem.com 8 2026-05-15 2026-09-11 ok
nl.lp.mexem.com 10 2026-05-16 2026-09-11 ok
pl.lp.mexem.com 10 2026-05-15 2026-09-10 ok
fr.lp.mexem.com 11 2026-05-16 2026-09-11 ok
es.lp.mexem.com 12 2026-05-15 2026-09-10 ok
it.lp.mexem.com 8 2026-05-15 2026-09-10 ok
sv.lp.mexem.com 8 2026-05-15 2026-09-10 ok
ar.mexem.com 10 2026-05-18 2026-09-14 ok
fr.mexem.com 10 2026-05-15 2026-09-10 ok
advisor.mexem.com 3 2026-01-27 2026-06-14 ok
www.advisor.mexem.com 1 2026-01-27 2026-01-27 nxdomain
uploads.mexem.com 4 2026-04-17 2026-08-17 ok
es.mexem.com 12 2026-05-15 2026-09-10 ok
affiliates.mexem.com 5 2026-07-09 2026-09-07 ok
webinars.mexem.com 4 2026-06-05 2026-10-05 ok
accounts.mexem.com 6 2025-09-27 2026-10-04 ok
www.accounts.mexem.com 3 2025-09-27 2026-09-27 nxdomain
mta-sts.mexem.com 4 2026-04-15 2026-08-13 ok
it.mexem.com 8 2026-05-14 2026-09-09 ok
support.mexem.com 11 2026-06-06 2026-10-02 ok
hu.mexem.com 8 2026-05-16 2026-09-12 ok
www.mexem.com 11 2026-04-23 2026-09-01 ok
*.www.mexem.com 1 2026-04-23 2026-04-23 —

Programmatic access, with DNS A records: API GET /v1/hosts/mexem.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/mexem.com.