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.

17 hosts · 267 ms

HostCertsFirst seenLast seen
kitchn.no 7 2025-10-07 2026-10-09
*.kitchn.no 2 2025-10-07 2026-10-09
backend02.kitchn.no 8 2026-04-24 2026-10-06
app02.kitchn.no 5 2026-05-24 2026-09-11
ww02.kitchn.no 5 2026-05-24 2026-09-11
backend.kitchn.no 8 2026-04-24 2026-10-06
analyse.kitchn.no 3 2026-05-19 2026-09-05
chef.kitchn.no 5 2026-05-13 2026-08-31
cdn.kitchn.no 3 2026-05-14 2026-09-26
ion.kitchn.no 5 2026-05-05 2026-09-02
element.visointegration.kitchn.no 3 2025-09-04 2026-09-28
element.testvisointegration.kitchn.no 2 2025-09-04 2026-09-03
homeco.kitchn.no 5 2026-05-15 2026-09-02
app.kitchn.no 5 2026-05-24 2026-09-11
mta-sts.kitchn.no 5 2026-05-05 2026-09-02
content.kitchn.no 2 2026-01-19 2026-06-12
www.kitchn.no 4 2026-02-11 2026-09-25

Programmatic access: API GET /v1/hosts/kitchn.no (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/kitchn.no.