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.

92 hosts · 296 ms

HostCertsFirst seenLast seen
sky.at 13 2026-02-01 2026-08-26
prod.nc.sky.at 7 2026-02-01 2026-06-01
preprod.nc.sky.at 16 2025-12-14 2026-08-05
uat.nc.sky.at 16 2025-12-14 2026-08-05
sit.nc.sky.at 16 2025-12-14 2026-08-05
dev.nc.sky.at 16 2025-12-14 2026-08-05
api.preprod.id.sky.at 16 2025-12-14 2026-08-05
api.id.sky.at 10 2026-02-01 2026-08-06
api.uat.id.sky.at 16 2025-12-14 2026-08-05
api.sit.id.sky.at 16 2025-12-14 2026-08-05
api.dev.id.sky.at 16 2025-12-14 2026-08-05
dfpod.sky.at 11 2026-04-13 2026-09-05
preprod.sky.at 21 2025-12-14 2026-08-05
qos.preprod.sky.at 16 2025-12-14 2026-08-05
skyonline.sky.at 5 2026-01-29 2026-02-02
karriere.sky.at 9 2026-03-05 2026-07-03
store.sky.at 13 2026-02-01 2026-08-28
id.store.sky.at 9 2025-11-24 2026-09-25
mob-id.store.sky.at 9 2025-11-24 2026-09-25
api.preprod.cf.sky.at 16 2025-12-14 2026-08-05
api.cf.sky.at 10 2026-02-01 2026-08-06
api.trial.cf.sky.at 16 2025-12-14 2026-08-05
api.uat.cf.sky.at 16 2025-12-14 2026-08-05
api.sit.cf.sky.at 16 2025-12-14 2026-08-05
api.dev.cf.sky.at 16 2025-12-14 2026-08-05
amptracking.sky.at 1 2025-08-25 2025-08-25
screening.sky.at 5 2026-01-29 2026-02-02
www.screening.sky.at 5 2026-01-29 2026-02-02
somni.sky.at 2 2026-01-20 2026-01-20
trial.sky.at 16 2025-12-14 2026-08-05
mam.sky.at 3 2026-06-08 2026-08-07
info.sky.at 2 2026-03-05 2026-03-05
origin-muc.info.sky.at 2 2025-07-15 2026-04-29
int.info.sky.at 7 2026-04-22 2026-09-30
muc-int.info.sky.at 6 2025-12-14 2025-12-18
origin-muc-int.info.sky.at 2 2026-05-06 2026-05-20
test.info.sky.at 9 2026-03-05 2026-09-30
muc-test.info.sky.at 6 2025-12-14 2025-12-18
origin-muc-test.info.sky.at 1 2026-05-06 2026-05-06
cmp.sky.at 5 2026-04-28 2026-09-14
skyfinder.sky.at 14 2025-11-24 2026-08-06
origin-muc.skyfinder.sky.at 2 2025-07-15 2026-04-29
origin-muc-int.skyfinder.sky.at 2 2026-05-06 2026-05-20
muc-test.skyfinder.sky.at 1 2026-05-08 2026-05-08
autodiscover.sky.at 2 2026-05-15 2026-05-15
family-and-friends.sky.at 4 2026-03-25 2026-07-03
qos.sky.at 10 2026-02-01 2026-08-06
business.sky.at 9 2026-03-05 2026-07-03
origin-muc.business.sky.at 2 2025-07-15 2026-04-29
prod.business.sky.at 7 2026-03-05 2026-08-11
uat.business.sky.at 7 2026-03-05 2026-08-11
sit.business.sky.at 7 2026-03-05 2026-08-11
origin-muc-int.business.sky.at 2 2026-05-06 2026-05-20
muc-test.business.sky.at 1 2026-05-08 2026-05-08
dev.business.sky.at 7 2026-03-05 2026-08-11
www.business.sky.at 7 2026-04-22 2026-09-30
tcchat.sky.at 10 2025-06-16 2026-09-30
qos.uat.sky.at 16 2025-12-14 2026-08-05
skyticket.sky.at 4 2026-01-29 2026-01-30
test-skyticket.sky.at 1 2025-12-15 2025-12-15
uiapi.id.skyticket.sky.at 1 2026-04-28 2026-04-28
tcchat.skyticket.sky.at 7 2026-04-22 2026-09-30
uiapi.id.int.skyticket.sky.at 1 2026-05-12 2026-05-12
www.skyticket.sky.at 4 2026-01-29 2026-01-30
qos.sit.sky.at 16 2025-12-14 2026-08-05
muc-int.sky.at 2 2025-12-14 2025-12-14
origin-muc-int.sky.at 2 2026-05-06 2026-05-20
stnt.sky.at 2 2026-01-12 2026-01-12
dfpt.sky.at 11 2026-04-13 2026-09-05
muc-test.sky.at 1 2026-05-08 2026-05-08
store-test.sky.at 15 2025-12-15 2026-08-05
id.store-test.sky.at 16 2025-12-14 2026-08-05
mob-id.store-test.sky.at 16 2025-12-14 2026-08-05
next.sky.at 5 2026-01-29 2026-02-02
int.next.sky.at 16 2025-12-14 2026-08-05
qos.dev.sky.at 16 2025-12-14 2026-08-05
www.sky.at 10 2026-02-01 2026-08-06
origin-www.sky.at 2 2025-12-16 2026-01-06
tcchat.www.sky.at 7 2026-04-22 2026-09-30
uiapi.id.flex.sky.at 1 2026-04-28 2026-04-28
www.func.prod.flex.sky.at 6 2025-09-02 2026-08-03
www.stage.flex.sky.at 6 2025-09-02 2026-08-03
uiapi.id.int.flex.sky.at 1 2026-05-12 2026-05-12
www.flex.sky.at 7 2025-09-03 2026-08-03
skyx.sky.at 7 2025-09-03 2026-08-03
uiapi.id.skyx.sky.at 1 2026-04-28 2026-04-28
cybertron.id.skyx.sky.at 1 2026-04-28 2026-04-28
www.func.prod.skyx.sky.at 6 2025-09-02 2026-08-03
www.stage.skyx.sky.at 6 2025-09-02 2026-08-03
cybertron.id.stable-int.skyx.sky.at 1 2026-05-12 2026-05-12
uiapi.id.int.skyx.sky.at 1 2026-05-12 2026-05-12
www.skyx.sky.at 7 2025-09-03 2026-08-03

Programmatic access: API GET /v1/hosts/sky.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/sky.at.