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.

19 hosts · 230 ms

HostCertsFirst seenLast seen
alanmeds.com 37 2026-04-27 2026-10-05
*.alanmeds.com 27 2026-04-27 2026-10-05
care.alanmeds.com 10 2026-06-05 2026-10-01
email.mg.alanmeds.com 5 2026-05-19 2026-09-16
staging.alanmeds.com 3 2026-05-18 2026-09-10
health.alanmeds.com 5 2026-05-13 2026-09-14
track.alanmeds.com 9 2026-06-09 2026-10-05
link.alanmeds.com 3 2026-05-27 2026-08-04
portal.alanmeds.com 5 2026-05-13 2026-09-16
email.alanmeds.com 13 2026-05-23 2026-09-18
admin.alanmeds.com 5 2026-05-13 2026-09-14
app.alanmeds.com 4 2026-05-14 2026-09-05
ems.alanmeds.com 10 2026-05-23 2026-09-18
email.ems.alanmeds.com 21 2026-04-27 2026-09-18
email.comms.alanmeds.com 3 2026-05-03 2026-08-21
email.notifications.alanmeds.com 19 2026-04-27 2026-09-20
www.alanmeds.com 11 2026-06-02 2026-09-28
email.tx.alanmeds.com 5 2026-05-19 2026-09-16
email1.notify.alanmeds.com 4 2026-04-29 2026-10-06

Programmatic access: API GET /v1/hosts/alanmeds.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/alanmeds.com.