Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

9 hosts · 194 ms

HostCertsFirst seenLast seenDNS
sparkasse-nuernberg.de 1 2026-04-23 2026-04-23 ok
psd2-xs2a.sparkasse-nuernberg.de 2 2025-08-11 2026-07-01 nxdomain
depot-max-be.sparkasse-nuernberg.de 1 2026-04-23 2026-04-23 ok
module.sparkasse-nuernberg.de 1 2026-04-23 2026-04-23 ok
aktuelles.sparkasse-nuernberg.de 4 2026-04-16 2026-08-14 ok
hausbank-treuebonus.sparkasse-nuernberg.de 4 2026-05-04 2026-07-06 nxdomain
www.sparkasse-nuernberg.de 1 2026-04-23 2026-04-23 ok
depot-max.sparkasse-nuernberg.de 1 2026-04-23 2026-04-23 ok
smetrics.depot-max.sparkasse-nuernberg.de 4 2025-07-03 2026-07-05 ok

Programmatic access, with DNS A records: API GET /v1/hosts/sparkasse-nuernberg.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/sparkasse-nuernberg.de.