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.

7 hosts · 169 ms

HostCertsFirst seenLast seen
stigasports.se 5 2026-05-22 2026-09-23
vpn2.stigasports.se 1 2026-05-11 2026-05-11
webdisk.stigasports.se 5 2026-05-01 2026-08-31
vpn.stigasports.se 1 2026-05-11 2026-05-11
cpcalendars.stigasports.se 5 2026-05-01 2026-08-31
cpcontacts.stigasports.se 5 2026-05-01 2026-08-31
www.stigasports.se 5 2026-05-22 2026-09-23

Programmatic access: API GET /v1/hosts/stigasports.se (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/stigasports.se.