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.

45 hosts · 224 ms

HostCertsFirst seenLast seen
sky.ch 6 2025-12-15 2026-04-14
*.sky.ch 2 2026-03-20 2026-09-14
prd.sky.ch 2 2025-07-25 2026-04-29
s3.prd.sky.ch 2 2025-07-25 2026-04-29
image-api.prd.sky.ch 2 2025-07-25 2026-04-29
leg-api.prd.sky.ch 2 2025-07-25 2026-04-29
watchtracking-api.prd.sky.ch 2 2025-07-25 2026-04-29
channel-api.prd.sky.ch 2 2025-07-25 2026-04-29
stream-api.prd.sky.ch 2 2025-07-25 2026-04-29
fiction-api.prd.sky.ch 2 2025-07-25 2026-04-29
subscription-api.prd.sky.ch 2 2025-07-25 2026-04-29
reco-api.prd.sky.ch 2 2025-07-25 2026-04-29
user-api.prd.sky.ch 2 2025-07-25 2026-04-29
livestats-api.prd.sky.ch 2 2025-07-25 2026-04-29
redirect-api.prd.sky.ch 2 2025-07-25 2026-04-29
socket-api.prd.sky.ch 1 2026-04-29 2026-04-29
payment-api.prd.sky.ch 2 2025-07-25 2026-04-29
sport-api.prd.sky.ch 2 2025-07-25 2026-04-29
manifest-api.prd.sky.ch 2 2025-07-25 2026-04-29
list-api.prd.sky.ch 2 2025-07-25 2026-04-29
survey-api.prd.sky.ch 2 2025-07-25 2026-04-29
partnerapi.prd.sky.ch 2 2025-07-25 2026-04-29
clientapi.prd.sky.ch 2 2025-07-25 2026-04-29
paymentapi.prd.sky.ch 2 2025-07-25 2026-04-29
imggen.prd.sky.ch 2 2025-07-25 2026-04-29
taskscheduler.prd.sky.ch 2 2025-07-25 2026-04-29
socket.prd.sky.ch 2 2025-07-25 2026-04-29
clientsocket.prd.sky.ch 2 2025-07-25 2026-04-29
asset.prd.sky.ch 2 2025-07-25 2026-04-29
stv-light.prd.sky.ch 2 2025-07-25 2026-04-29
portalstore-tv.prd.sky.ch 2 2025-07-25 2026-04-29
portal-tv.prd.sky.ch 2 2025-07-25 2026-04-29
portalsport-tv.prd.sky.ch 2 2025-07-25 2026-04-29
portalshow-tv.prd.sky.ch 2 2025-07-25 2026-04-29
stv.prd.sky.ch 2 2025-07-25 2026-04-29
gateway.prd.sky.ch 2 2025-07-25 2026-04-29
pprd.sky.ch 2 2025-08-20 2026-08-03
*.pprd.sky.ch 2 2025-08-20 2026-08-03
queue.sky.ch 2 2025-11-14 2026-08-26
chat.sky.ch 1 2026-05-28 2026-05-28
support.sky.ch 5 2026-05-16 2026-09-13
test.sky.ch 2 2025-08-20 2026-08-03
*.test.sky.ch 2 2025-08-20 2026-08-03
dev.sky.ch 2 2025-08-20 2026-08-03
*.dev.sky.ch 2 2025-08-20 2026-08-03

Programmatic access: API GET /v1/hosts/sky.ch (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.ch.