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.

38 hosts · 226 ms

HostCertsFirst seenLast seen
dm.at 7 2026-05-07 2026-10-01
*.dm.at 5 2026-05-14 2026-08-25
ATSAACGW1.dm.at 2 2026-03-30 2026-10-07
ATENACGW1.dm.at 2 2026-03-30 2026-10-07
omc.dm.at 1 2026-01-06 2026-01-06
service.dm.at 2 2026-09-14 2026-09-14
einblicke.dm.at 1 2026-02-04 2026-02-04
termsofuse.dm.at 5 2026-05-28 2026-09-25
journal.dm.at 1 2026-06-11 2026-06-11
awl.dm.at 10 2026-05-03 2026-09-15
exc.mm.dm.at 2 2026-03-22 2026-08-22
exc.t.mm.dm.at 2 2026-03-21 2026-08-21
ssa.om.dm.at 5 2026-04-23 2026-09-30
ssa-preview.om.dm.at 5 2026-04-22 2026-10-04
sandbox.om.dm.at 3 2026-05-26 2026-09-07
ressourcen.dm.at 10 2026-05-03 2026-09-15
reisekosten.dm.at 9 2026-05-03 2026-08-19
belege.reisekosten.dm.at 9 2026-05-05 2026-08-21
test.reisekosten.dm.at 9 2026-05-05 2026-08-21
meintermin.dm.at 10 2026-05-08 2026-10-05
hebammen-kooperation.dm.at 2 2026-09-14 2026-09-14
*.intern.dm.at 5 2026-05-19 2026-08-25
*.review.intern.dm.at 5 2026-05-19 2026-08-25
simpleinfoapp.dm.at 10 2026-05-03 2026-09-15
trendfolder.dm.at 1 2026-06-11 2026-06-11
unser.dm.at 5 2026-05-30 2026-09-28
iknewsletter.dm.at 6 2026-04-17 2026-08-26
discoverreceiver.dm.at 1 2025-12-02 2025-12-02
Autodiscover.dm.at 3 2025-09-29 2026-09-18
pr.dm.at 7 2025-09-04 2026-08-27
www.pr.dm.at 2 2025-09-04 2026-08-10
cs.dm.at 5 2026-05-23 2026-09-20
simpleinfoapp-kons.dm.at 10 2026-05-03 2026-09-15
journalexpress.dm.at 1 2026-06-11 2026-06-11
mta-sts.dm.at 5 2026-05-20 2026-08-16
omt.dm.at 1 2026-01-05 2026-01-05
awl-test.dm.at 10 2026-05-03 2026-09-15
activebeauty.dm.at 6 2026-04-20 2026-10-04

Programmatic access: API GET /v1/hosts/dm.at (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/dm.at.