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.

67 hosts · 430 ms

HostCertsFirst seenLast seenDNS
hotelscombined.com 22 2025-08-14 2026-10-02 ok
*.hotelscombined.com 19 2025-08-14 2026-10-02 —
dev1.hotelscombined.com 3 2025-09-25 2026-08-26 nodata
dev2.hotelscombined.com 3 2025-09-25 2026-08-26 nodata
dev3.hotelscombined.com 3 2025-09-25 2026-08-26 nodata
dev4.hotelscombined.com 3 2025-09-25 2026-08-26 nodata
media.hotelscombined.com 4 2026-04-30 2026-06-29 nodata
kibana.hotelscombined.com 20 2026-05-08 2026-09-04 ok
grafana.hotelscombined.com 14 2026-05-07 2026-09-02 ok
growthbook.prod.hotelscombined.com 3 2025-10-07 2026-09-07 nodata
preprod.hotelscombined.com 3 2025-09-14 2026-08-15 nodata
contentdashboard.hotelscombined.com 3 2025-09-24 2026-08-25 nodata
conference.hotelscombined.com 4 2026-06-06 2026-10-04 ok
secure.hotelscombined.com 11 2025-09-10 2026-08-28 ok
release.hotelscombined.com 3 2025-09-24 2026-08-25 nodata
staging.hotelscombined.com 3 2025-09-14 2026-08-15 nodata
images.staging.hotelscombined.com 2 2025-09-09 2026-08-10 nodata
affiliatestaging.hotelscombined.com 3 2025-09-24 2026-08-25 nodata
affiliateadminstaging.hotelscombined.com 3 2025-09-24 2026-08-25 nodata
blog.hotelscombined.com 4 2026-06-06 2026-10-04 ok
staging-branch.hotelscombined.com 3 2025-09-24 2026-08-25 nodata
zh.hotelscombined.com 5 2026-04-30 2026-08-28 ok
wiki.hotelscombined.com 4 2026-04-10 2026-08-08 ok
cmi.hotelscombined.com 2 2025-09-10 2026-08-11 nxdomain
preprod.cmi.hotelscombined.com 3 2025-09-14 2026-08-15 nodata
staging.cmi.hotelscombined.com 2 2025-09-09 2026-08-10 nodata
*.staging.cmi.hotelscombined.com 2 2025-09-09 2026-08-10 —
dev.cmi.hotelscombined.com 2 2025-09-04 2026-08-05 nodata
*.dev.cmi.hotelscombined.com 2 2025-09-04 2026-08-05 —
awscmi.hotelscombined.com 2 2025-09-10 2026-08-11 nodata
api.hotelscombined.com 8 2025-09-12 2026-08-25 ok
*.api.hotelscombined.com 2 2025-09-12 2026-08-13 —
link.hotelscombined.com 7 2026-06-02 2026-09-30 ok
book.hotelscombined.com 2 2025-09-10 2026-08-11 nodata
growthbook.hotelscombined.com 12 2026-05-08 2026-09-03 ok
travel.hotelscombined.com 5 2026-05-01 2026-08-29 ok
green.hotelscombined.com 4 2026-06-06 2026-10-04 ok
ucg-admin.hotelscombined.com 13 2026-05-08 2026-09-03 ok
*.admin.hotelscombined.com 3 2025-09-25 2026-08-26 —
education.hotelscombined.com 4 2026-06-06 2026-10-04 ok
reservation.hotelscombined.com 2 2025-09-10 2026-08-11 nodata
ro.hotelscombined.com 5 2026-05-01 2026-08-29 ok
ar.hotelscombined.com 5 2026-05-01 2026-08-29 ok
datafeeds.hotelscombined.com 2 2025-08-14 2026-07-15 ok
affiliates.hotelscombined.com 2 2025-08-14 2026-07-15 ok
staging-affiliates.hotelscombined.com 14 2026-05-07 2026-09-02 ok
*.affiliates.hotelscombined.com 6 2025-09-25 2026-08-29 —
staging.affiliates.hotelscombined.com 14 2025-09-09 2026-09-03 ok
aperol-staging.affiliates.hotelscombined.com 2 2025-09-09 2026-08-10 nodata
api.staging.affiliates.hotelscombined.com 2 2025-09-09 2026-08-10 ok
api.affiliates.hotelscombined.com 2 2025-08-14 2026-07-15 ok
awsapi.affiliates.hotelscombined.com 2 2025-08-14 2026-07-15 nodata
awsaffiliates.hotelscombined.com 2 2025-08-14 2026-07-15 nodata
dev.cms.hotelscombined.com 2 2025-09-09 2026-08-10 nodata
*.translations.hotelscombined.com 3 2025-09-25 2026-08-26 —
staging.descriptions.hotelscombined.com 3 2025-09-25 2026-08-26 nodata
press.hotelscombined.com 4 2026-06-06 2026-10-04 ok
reports.hotelscombined.com 2 2025-06-25 2026-05-26 nxdomain
octopus.hotelscombined.com 18 2025-06-21 2026-09-05 ok
reports-aws.hotelscombined.com 2 2025-06-25 2026-05-26 nodata
extranet.hotelscombined.com 2 2025-09-10 2026-08-11 nodata
development.hotelscombined.com 3 2025-09-25 2026-08-26 nodata
support.hotelscombined.com 4 2026-06-06 2026-10-04 ok
hu.hotelscombined.com 5 2026-05-01 2026-08-29 ok
placepreview.hotelscombined.com 3 2025-09-24 2026-08-25 nodata
www.hotelscombined.com 5 2026-05-01 2026-08-29 ok
sandbox.hotelscombined.com 3 2025-09-24 2026-08-25 nodata

Programmatic access, with DNS A records: API GET /v1/hosts/hotelscombined.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/hotelscombined.com.