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.

10 hosts · 202 ms

HostCertsFirst seenLast seen
nussbaum-medien.de 6 2026-04-30 2026-08-26
download.nussbaum-medien.de 2 2026-03-16 2026-09-08
www.download.nussbaum-medien.de 2 2026-03-16 2026-09-08
ttpw-staging.nussbaum-medien.de 4 2026-06-08 2026-10-07
lp.nussbaum-medien.de 5 2026-05-12 2026-09-09
ticket.nussbaum-medien.de 11 2026-05-24 2026-09-20
img.mt.nussbaum-medien.de 10 2026-04-27 2026-08-23
r.mt.nussbaum-medien.de 5 2026-04-27 2026-10-04
ttpw.nussbaum-medien.de 4 2026-06-08 2026-10-07
www.nussbaum-medien.de 10 2026-04-30 2026-08-26

Programmatic access: API GET /v1/hosts/nussbaum-medien.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/nussbaum-medien.de.