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.

54 hosts · 325 ms

HostCertsFirst seenLast seenDNS
edc.dk 5 2025-07-19 2026-07-20 ok
*.edc.dk 2 2025-07-19 2026-07-20 —
test01.edc.dk 9 2026-04-19 2026-09-16 ok
*.test01.edc.dk 9 2026-04-19 2026-09-16 —
test02.edc.dk 10 2026-04-19 2026-09-16 ok
*.test02.edc.dk 10 2026-04-19 2026-09-16 —
billeder2.edc.dk 1 2026-02-03 2026-02-03 ok
dev2.edc.dk 1 2026-10-06 2026-10-06 ok
*.dev2.edc.dk 1 2026-10-06 2026-10-06 —
test03.edc.dk 9 2026-04-13 2026-09-10 ok
*.test03.edc.dk 9 2026-04-13 2026-09-10 —
domidontfraserweb.edc.dk 2 2026-02-23 2026-06-15 ok
nyhed.edc.dk 4 2026-04-17 2026-09-04 ok
*.estaid.edc.dk 5 2026-05-23 2026-09-20 —
api-prod.edc.dk 5 2026-05-30 2026-09-28 ok
fordele.edc.dk 4 2026-04-17 2026-09-04 ok
kampagne.edc.dk 18 2026-05-31 2026-09-26 ok
realestate.edc.dk 2 2026-08-20 2026-08-20 ok
test01.realestate.edc.dk 2 2026-08-11 2026-08-11 nodata
test02.realestate.edc.dk 2 2026-08-11 2026-08-11 nodata
test03.realestate.edc.dk 2 2026-08-11 2026-08-11 nodata
uat.realestate.edc.dk 2 2026-08-11 2026-08-11 nodata
dev.realestate.edc.dk 2 2026-03-24 2026-08-03 ok
www.realestate.edc.dk 2 2026-08-20 2026-08-20 ok
deltag.edc.dk 2 2026-04-09 2026-09-09 ok
salg.edc.dk 4 2026-04-17 2026-09-04 ok
match.edc.dk 4 2026-04-17 2026-09-04 ok
kartotek.edc.dk 4 2026-04-17 2026-09-04 ok
koeberkartotek.edc.dk 5 2026-04-29 2026-09-16 ok
m.edc.dk 2 2026-02-24 2026-07-03 ok
cm.edc.dk 3 2026-02-24 2026-07-04 ok
notification.edc.dk 5 2026-04-29 2026-09-16 ok
notifikation.edc.dk 3 2026-06-05 2026-08-14 ok
do.edc.dk 5 2026-05-27 2026-09-24 ok
sendminkoeber.edc.dk 5 2026-04-29 2026-09-16 ok
nyheder.edc.dk 5 2026-04-29 2026-09-16 ok
billeder.edc.dk 4 2026-06-04 2026-10-02 ok
publikationer.edc.dk 5 2026-04-29 2026-09-16 ok
api-prod-developer.edc.dk 5 2026-05-30 2026-09-27 ok
api-test-developer.edc.dk 5 2026-05-03 2026-09-01 ok
mails.edc.dk 4 2026-04-19 2026-09-06 ok
ss.edc.dk 4 2026-04-11 2026-08-09 ok
news.edc.dk 5 2026-04-29 2026-09-16 ok
uat.edc.dk 10 2026-04-22 2026-09-19 ok
*.uat.edc.dk 10 2026-04-22 2026-09-19 —
connect.edc.dk 1 2026-02-13 2026-02-13 ok
favorit.edc.dk 3 2026-06-12 2026-08-21 ok
lokalt.edc.dk 5 2026-04-29 2026-09-16 ok
api-test.edc.dk 5 2026-05-04 2026-09-01 ok
dev.edc.dk 10 2026-04-30 2026-09-27 ok
*.dev.edc.dk 10 2026-04-30 2026-09-27 —
erhverv.edc.dk 11 2026-05-24 2026-09-19 ok
www.edc.dk 2 2026-02-24 2026-07-03 ok
survey.edc.dk 4 2026-04-17 2026-09-04 ok

Programmatic access, with DNS A records: API GET /v1/hosts/edc.dk (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/edc.dk.