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.

14 hosts · 295 ms

HostCertsFirst seenLast seen
krieghoff.de 6 2026-02-17 2026-09-25
*.krieghoff.de 1 2026-02-17 2026-02-17
victoria.krieghoff.de 5 2026-05-11 2026-09-08
cloud.krieghoff.de 5 2026-05-11 2026-09-08
karriere.krieghoff.de 4 2026-05-16 2026-08-01
lan.krieghoff.de 1 2026-01-03 2026-01-03
*.lan.krieghoff.de 1 2026-01-03 2026-01-03
chat.lan.krieghoff.de 7 2026-05-04 2026-09-01
shop.krieghoff.de 5 2026-05-11 2026-09-08
analytics.krieghoff.de 5 2026-05-28 2026-09-24
images.krieghoff.de 5 2026-05-11 2026-09-08
stocks.krieghoff.de 5 2026-05-11 2026-09-08
connect.krieghoff.de 3 2026-05-30 2026-08-19
www.krieghoff.de 5 2026-05-27 2026-09-23

Programmatic access: API GET /v1/hosts/krieghoff.de (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/krieghoff.de.