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.

20 hosts · 306 ms

HostCertsFirst seenLast seenDNS
albiononline.com 22 2025-08-25 2026-09-28 ok
*.albiononline.com 22 2025-08-25 2026-09-28 —
dc02.albiononline.com 16 2026-05-25 2026-09-20 nodata
*.dc02.albiononline.com 16 2026-05-25 2026-09-20 —
sg.albiononline.com 13 2026-05-25 2026-09-20 nodata
*.sg.albiononline.com 13 2026-05-25 2026-09-20 —
man.albiononline.com 24 2026-05-09 2026-09-24 nodata
*.man.albiononline.com 24 2026-05-09 2026-09-24 —
promo.albiononline.com 17 2026-04-15 2026-09-22 nodata
*.promo.albiononline.com 17 2026-04-15 2026-09-22 —
ams.albiononline.com 19 2026-06-01 2026-09-27 nodata
*.ams.albiononline.com 19 2026-06-01 2026-09-27 —
creators.albiononline.com 5 2026-05-15 2026-09-12 ok
ingress.albiononline.com 3 2026-05-08 2026-08-26 ok
status.albiononline.com 2 2025-08-25 2026-08-26 ok
www.status.albiononline.com 2 2025-08-25 2026-08-26 nxdomain
content.albiononline.com 26 2026-04-28 2026-08-26 ok
assets-content.albiononline.com 5 2026-05-13 2026-09-10 ok
*.content.albiononline.com 22 2026-04-28 2026-08-26 —
play.albiononline.com 20 2026-05-04 2026-08-31 ok

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