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.

22 hosts · 302 ms

HostCertsFirst seenLast seen
viktvaktarna.se 3 2025-10-02 2026-09-29
*.viktvaktarna.se 8 2025-10-16 2026-09-21
g3blu0.viktvaktarna.se 5 2026-04-28 2026-08-22
*.qat2.viktvaktarna.se 9 2026-02-05 2026-09-09
connect-api.qat2.viktvaktarna.se 1 2026-10-09 2026-10-09
www.qat2.viktvaktarna.se 1 2026-05-27 2026-05-27
cmx.qat2.viktvaktarna.se 2 2026-08-26 2026-08-26
*.devstage4.viktvaktarna.se 5 2026-05-01 2026-08-29
www.devstage4.viktvaktarna.se 1 2026-05-27 2026-05-27
www.qa.viktvaktarna.se 1 2026-05-27 2026-05-27
*.psqa.viktvaktarna.se 5 2026-05-24 2026-09-21
www.psqa.viktvaktarna.se 1 2026-05-27 2026-05-27
*.coaching.viktvaktarna.se 4 2026-04-16 2026-08-14
mi.viktvaktarna.se 5 2026-05-12 2026-09-20
*.email.viktvaktarna.se 4 2026-04-16 2026-08-14
m.viktvaktarna.se 3 2026-07-24 2026-09-22
*.notification.viktvaktarna.se 4 2026-04-16 2026-08-14
information.viktvaktarna.se 2 2026-07-24 2026-09-22
*.shop.viktvaktarna.se 4 2026-04-16 2026-08-14
enter.viktvaktarna.se 2 2026-07-24 2026-09-22
www.viktvaktarna.se 1 2026-05-27 2026-05-27
cmx.viktvaktarna.se 2 2026-09-15 2026-09-15

Programmatic access: API GET /v1/hosts/viktvaktarna.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/viktvaktarna.se.