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.

54 hosts · 330 ms

HostCertsFirst seenLast seen
skistar.com 8 2025-11-20 2026-09-30
*.skistar.com 7 2025-11-20 2026-09-30
searemg202.skistar.com 1 2026-02-09 2026-02-09
ada.skistar.com 3 2026-03-10 2026-09-21
*.ada.skistar.com 3 2026-03-10 2026-09-21
meta.skistar.com 4 2026-04-26 2026-10-08
utb.skistar.com 8 2026-05-25 2026-09-30
*.utb.skistar.com 7 2026-06-22 2026-09-30
www.utb.skistar.com 1 2026-05-25 2026-05-25
hub.skistar.com 5 2026-05-14 2026-09-14
acc.skistar.com 8 2026-05-25 2026-09-30
*.acc.skistar.com 7 2026-06-22 2026-09-30
ada.acc.skistar.com 1 2026-05-25 2026-05-25
*.ada.acc.skistar.com 1 2026-05-25 2026-05-25
www.ada.acc.skistar.com 1 2026-05-25 2026-05-25
www.acc.skistar.com 1 2026-05-25 2026-05-25
searems103.ad.skistar.com 2 2025-08-22 2026-07-29
www.searems103.ad.skistar.com 2 2025-08-22 2026-07-29
searems104.ad.skistar.com 2 2025-08-22 2026-07-29
www.searems104.ad.skistar.com 2 2025-08-22 2026-07-29
client.ad.skistar.com 2 2025-08-22 2026-07-29
www.client.ad.skistar.com 2 2025-08-22 2026-07-29
smtprelay.ad.skistar.com 2 2025-08-22 2026-07-29
www.smtprelay.ad.skistar.com 2 2025-08-22 2026-07-29
brand.skistar.com 5 2026-05-10 2026-09-05
mediabank.skistar.com 5 2026-05-02 2026-08-30
l.skistar.com 4 2026-04-15 2026-08-14
internal.skistar.com 2 2026-06-05 2026-06-10
*.internal.skistar.com 2 2026-06-05 2026-06-10
mobiletunnel.skistar.com 1 2026-02-09 2026-02-09
data.email.skistar.com 5 2025-09-14 2026-09-16
cdn.email.skistar.com 2 2026-05-08 2026-10-08
dev.email.skistar.com 5 2026-04-10 2026-09-26
data.shopmail.skistar.com 5 2025-09-14 2026-09-16
cdn.shopmail.skistar.com 2 2026-05-08 2026-10-08
data.info.skistar.com 5 2025-09-14 2026-09-16
cdn.info.skistar.com 2 2026-05-08 2026-10-08
smtp.skistar.com 2 2025-08-22 2026-07-29
www.smtp.skistar.com 2 2025-08-22 2026-07-29
autodiscover.skistar.com 2 2025-08-22 2026-07-29
www.autodiscover.skistar.com 2 2025-08-22 2026-07-29
investor.skistar.com 10 2026-05-06 2026-09-02
ms.skistar.com 2 2025-08-22 2026-07-29
www.ms.skistar.com 2 2025-08-22 2026-07-29
compost.skistar.com 5 2026-05-30 2026-09-27
tst.skistar.com 8 2026-05-25 2026-09-30
*.tst.skistar.com 7 2026-06-22 2026-09-30
www.tst.skistar.com 1 2026-05-25 2026-05-25
dev.skistar.com 8 2026-05-25 2026-09-30
*.dev.skistar.com 7 2026-06-22 2026-09-30
www.dev.skistar.com 1 2026-05-25 2026-05-25
www.skistar.com 1 2026-05-25 2026-05-25
az.skistar.com 1 2026-05-06 2026-05-06
*.az.skistar.com 1 2026-05-06 2026-05-06

Programmatic access: API GET /v1/hosts/skistar.com (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/skistar.com.