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.

100 hosts (first page) · 451 ms

HostCertsFirst seenLast seenDNS
barmer.de 2 2025-10-20 2025-12-08 ok
*.barmer.de 2 2025-10-20 2025-12-08 —
jira.barmer.de 3 2025-10-20 2026-09-20 ok
public.barmer.de 5 2025-08-02 2026-08-18 nxdomain
login001.public.barmer.de 2 2025-08-02 2026-07-24 ok
v001.public.barmer.de 21 2025-10-20 2026-09-30 nxdomain
bek-cee-fv-040.v001.public.barmer.de 9 2026-04-10 2026-09-30 ok
bek-cee-fv-041.v001.public.barmer.de 9 2026-04-10 2026-09-30 ok
cee-wup-cluster1.v001.public.barmer.de 4 2025-10-20 2025-11-04 nxdomain
bek-cee-fv-042.v001.public.barmer.de 9 2026-04-10 2026-09-30 ok
bek-cee-cluster2.v001.public.barmer.de 9 2026-04-10 2026-09-30 nxdomain
bek-cee-fv-043.v001.public.barmer.de 8 2026-04-10 2026-09-30 ok
bek-cee-cluster3.v001.public.barmer.de 8 2026-04-10 2026-09-30 nxdomain
bek-cee-fv-044.v001.public.barmer.de 8 2026-04-10 2026-09-30 ok
bek-cee-fv-045.v001.public.barmer.de 8 2026-04-10 2026-09-30 ok
bek-cee-fv-046.v001.public.barmer.de 8 2026-04-10 2026-09-30 ok
cee-wup-037.v001.public.barmer.de 4 2025-10-20 2025-11-04 ok
cee-wup-038.v001.public.barmer.de 4 2025-10-20 2025-11-04 ok
bek-cee-fv-039.v001.public.barmer.de 9 2026-04-10 2026-09-30 ok
mig.v001.public.barmer.de 17 2026-04-10 2026-09-30 nxdomain
login008.public.barmer.de 3 2025-08-23 2026-08-18 ok
v008.public.barmer.de 1 2025-12-01 2025-12-01 nxdomain
cee-wuptr-037.v008.public.barmer.de 1 2025-12-01 2025-12-01 ok
s4bpublic.barmer.de 21 2025-10-20 2026-09-30 ok
www.lichtbild.barmer.de 1 2026-06-08 2026-06-08 ok
marke.barmer.de 3 2025-10-13 2026-09-13 ok
mailing.barmer.de 4 2026-04-15 2026-08-13 ok
test2.mailing.barmer.de 5 2026-04-23 2026-08-21 ok
test.mailing.barmer.de 5 2026-04-24 2026-08-22 ok
krankenhausnavi.barmer.de 5 2026-05-01 2026-08-31 ok
www.krankenhausnavi.barmer.de 5 2026-05-01 2026-08-31 ok
politik.barmer.de 4 2026-04-15 2026-08-13 ok
erfolgsbonus-digital.barmer.de 1 2025-12-01 2025-12-01 ok
id.digital.barmer.de 2 2026-08-24 2026-08-24 ok
int1.id.digital.barmer.de 6 2026-04-15 2026-08-09 ok
admin-console.int1.id.digital.barmer.de 1 2026-09-23 2026-09-23 ok
mailhog.int1.id.digital.barmer.de 4 2026-06-06 2026-10-04 ok
auth.int1.id.digital.barmer.de 5 2026-06-19 2026-08-09 ok
test-api.int1.id.digital.barmer.de 4 2026-06-06 2026-10-04 ok
fe.test-api.int1.id.digital.barmer.de 4 2026-06-06 2026-10-04 ok
rp.test-api.int1.id.digital.barmer.de 4 2026-06-06 2026-10-04 ok
inv-rp.test-api.int1.id.digital.barmer.de 4 2026-06-06 2026-10-04 ok
auth-notak.int1.id.digital.barmer.de 6 2026-06-18 2026-08-17 ok
sdk-notak.int1.id.digital.barmer.de 6 2026-06-06 2026-08-10 ok
sdk.int1.id.digital.barmer.de 6 2026-04-15 2026-08-09 ok
pis.addons.internal.int1.id.digital.barmer.de 3 2026-07-09 2026-09-07 ok
ivs.addons.internal.int1.id.digital.barmer.de 3 2026-07-09 2026-09-07 ok
admin-idp.int1.id.digital.barmer.de 3 2026-06-11 2026-08-10 nxdomain
desktop.int1.id.digital.barmer.de 1 2026-08-09 2026-08-09 ok
foobar.int1.id.digital.barmer.de 2 2026-05-11 2026-05-11 nxdomain
mails.int1.id.digital.barmer.de 3 2026-06-24 2026-08-23 ok
*.addons.int1.id.digital.barmer.de 5 2026-06-19 2026-08-09 —
ivs.addons.int1.id.digital.barmer.de 2 2026-05-31 2026-05-31 nxdomain
admin-ops.int1.id.digital.barmer.de 3 2026-06-11 2026-08-10 nxdomain
int2.id.digital.barmer.de 5 2026-06-10 2026-08-09 ok
admin-console.int2.id.digital.barmer.de 1 2026-09-23 2026-09-23 ok
mailhog.int2.id.digital.barmer.de 4 2026-06-04 2026-10-02 ok
auth.int2.id.digital.barmer.de 3 2026-06-19 2026-08-09 ok
test-api.int2.id.digital.barmer.de 5 2026-06-04 2026-10-02 ok
fe.test-api.int2.id.digital.barmer.de 4 2026-06-04 2026-10-02 ok
rp.test-api.int2.id.digital.barmer.de 4 2026-06-04 2026-10-02 ok
inv-rp.test-api.int2.id.digital.barmer.de 4 2026-06-04 2026-10-02 ok
auth-notak.int2.id.digital.barmer.de 4 2026-06-18 2026-08-17 ok
sdk-notak.int2.id.digital.barmer.de 4 2026-06-04 2026-08-09 ok
sdk.int2.id.digital.barmer.de 5 2026-06-10 2026-08-09 ok
pis.addons.internal.int2.id.digital.barmer.de 3 2026-07-09 2026-09-07 ok
ivs.addons.internal.int2.id.digital.barmer.de 3 2026-07-09 2026-09-07 ok
admin-idp.int2.id.digital.barmer.de 1 2026-09-11 2026-09-11 ok
desktop.int2.id.digital.barmer.de 1 2026-08-09 2026-08-09 ok
mails.int2.id.digital.barmer.de 3 2026-06-24 2026-08-23 ok
*.addons.int2.id.digital.barmer.de 3 2026-06-19 2026-08-09 —
ivs.addons.int2.id.digital.barmer.de 2 2026-06-04 2026-06-04 nxdomain
admin-ops.int2.id.digital.barmer.de 1 2026-09-11 2026-09-11 ok
dev2.id.digital.barmer.de 7 2026-04-28 2026-08-27 ok
admin-console.dev2.id.digital.barmer.de 1 2026-09-23 2026-09-23 ok
mailhog.dev2.id.digital.barmer.de 6 2026-04-21 2026-09-05 ok
auth.dev2.id.digital.barmer.de 3 2026-06-18 2026-08-17 ok
test-api.dev2.id.digital.barmer.de 5 2026-05-08 2026-09-05 ok
fe.test-api.dev2.id.digital.barmer.de 5 2026-05-08 2026-09-05 ok
rp.test-api.dev2.id.digital.barmer.de 5 2026-05-08 2026-09-05 ok
inv-rp.test-api.dev2.id.digital.barmer.de 5 2026-05-08 2026-09-08 ok
auth-notak.dev2.id.digital.barmer.de 6 2026-06-18 2026-09-20 ok
sdk-notak.dev2.id.digital.barmer.de 10 2026-04-28 2026-09-20 ok
sdk.dev2.id.digital.barmer.de 7 2026-04-28 2026-08-27 ok
pis.addons.internal.dev2.id.digital.barmer.de 3 2026-07-09 2026-09-07 ok
ivs.addons.internal.dev2.id.digital.barmer.de 3 2026-07-09 2026-09-07 ok
admin-idp.dev2.id.digital.barmer.de 5 2026-06-02 2026-09-30 ok
desktop.dev2.id.digital.barmer.de 1 2026-08-12 2026-08-12 ok
foobar.dev2.id.digital.barmer.de 2 2026-05-11 2026-05-11 nxdomain
mails.dev2.id.digital.barmer.de 3 2026-06-24 2026-08-23 ok
*.addons.dev2.id.digital.barmer.de 3 2026-06-29 2026-08-28 —
ivs.addons.dev2.id.digital.barmer.de 2 2026-05-08 2026-05-08 nxdomain
admin-ops.dev2.id.digital.barmer.de 5 2026-05-28 2026-09-25 ok
web.id.digital.barmer.de 2 2025-11-24 2025-11-24 ok
web.waaspreprod.id.digital.barmer.de 2 2026-01-16 2026-01-16 ok
api.waaspreprod.id.digital.barmer.de 2 2026-01-16 2026-01-16 ok
*.common.waaspreprod.id.digital.barmer.de 1 2025-11-12 2025-11-12 —
app.waaspreprod.id.digital.barmer.de 2 2026-01-16 2026-01-16 ok
localident.waaspreprod.id.digital.barmer.de 2 2026-01-16 2026-01-16 ok
accord.id.digital.barmer.de 1 2026-08-20 2026-08-20 ok

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/barmer.de.

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/barmer.de.