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.

45 hosts · 226 ms

HostCertsFirst seenLast seen
1177.se 2 2026-04-28 2026-05-06
*.1177.se 2 2026-04-28 2026-05-06
*.st.poc-1.1177.se 1 2026-01-30 2026-01-30
*.st.poc-2.1177.se 1 2026-01-30 2026-01-30
sob.1177.se 1 2026-02-10 2026-02-10
*.sob.1177.se 1 2026-02-10 2026-02-10
dv.personal.sob.1177.se 1 2026-05-06 2026-05-06
personal.at.sob.1177.se 3 2026-03-27 2026-09-15
dv.personal.at.sob.1177.se 2 2026-03-17 2026-09-11
dv.at.sob.1177.se 2 2026-03-18 2026-09-11
personal.st.sob.1177.se 2 2026-03-18 2026-09-11
personal.arende.1177.se 2 2026-03-18 2026-09-11
vardpersonal.1177.se 1 2025-10-30 2025-10-30
*.vardpersonal.1177.se 1 2025-10-30 2025-10-30
videosamtal.1177.se 1 2026-05-18 2026-05-18
www.videosamtal.1177.se 1 2026-05-18 2026-05-18
journalen.1177.se 1 2026-05-08 2026-05-08
kroppen.1177.se 1 2026-05-18 2026-05-18
www.kroppen.1177.se 1 2026-05-18 2026-05-18
pep.1177.se 1 2026-01-22 2026-01-22
at-pep.1177.se 2 2026-03-18 2026-09-11
*.at-pep.1177.se 2 2026-03-18 2026-09-11
*.pep.1177.se 1 2026-01-22 2026-01-22
*.sit.pep.1177.se 1 2026-06-05 2026-06-05
*.dev.pep.1177.se 1 2025-06-17 2025-06-17
formular.1177.se 2 2026-03-13 2026-09-03
qa.formular.1177.se 2 2026-03-13 2026-09-04
personal.formular.1177.se 2 2026-03-17 2026-09-11
qa.personal.formular.1177.se 2 2026-03-17 2026-09-11
demo.personal.formular.1177.se 3 2026-03-18 2026-09-11
st.personal.formular.1177.se 2 2026-03-17 2026-09-11
utv.personal.formular.1177.se 2 2026-03-12 2026-09-03
demo.formular.1177.se 2 2026-03-17 2026-09-11
sit.formular.1177.se 2 2026-03-13 2026-09-01
st.formular.1177.se 2 2026-03-17 2026-09-11
utv.formular.1177.se 2 2026-03-13 2026-09-03
*.rgs.1177.se 1 2026-05-08 2026-05-08
*.at.1177.se 1 2026-02-09 2026-02-09
autentisering-digitalkontakt.1177.se 1 2026-04-27 2026-04-27
direkt.1177.se 1 2026-01-08 2026-01-08
*.direkt.1177.se 1 2026-01-08 2026-01-08
st.1177.se 1 2026-02-12 2026-02-12
*.st.1177.se 1 2026-02-12 2026-02-12
dev.1177.se 1 2026-02-10 2026-02-10
*.dev.1177.se 1 2026-02-10 2026-02-10

Programmatic access: API GET /v1/hosts/1177.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/1177.se.