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.

18 hosts · 382 ms

HostCertsFirst seenLast seenDNS
vpv.de 6 2025-12-08 2026-08-26 ok
*.vpv.de 7 2025-12-08 2026-08-26 —
vertrieb.vpv.de 5 2026-04-29 2026-08-27 ok
service.vpv.de 5 2026-04-29 2026-08-27 ok
ablauf.vpv.de 5 2026-04-30 2026-09-17 ok
registrierung.vpv.de 5 2026-04-29 2026-08-27 ok
feedback.vpv.de 5 2026-04-29 2026-08-27 ok
kundenportal.vpv.de 5 2026-04-29 2026-08-27 ok
aktuell.vpv.de 5 2026-04-29 2026-08-27 ok
www.recruitingtool.vpv.de 4 2026-04-12 2026-08-30 ok
bsi-crm.vpv.de 10 2026-04-29 2026-09-26 ok
int2-bsi-crm.vpv.de 6 2026-06-03 2026-10-01 ok
config-bsi-crm.vpv.de 4 2026-04-20 2026-08-18 ok
test-bsi-crm.vpv.de 5 2026-05-04 2026-09-01 ok
einplanfuerdiezukunft.vpv.de 5 2026-04-29 2026-08-27 ok
kontext.vpv.de 4 2026-04-15 2026-08-13 ok
postbox.vpv.de 2 2025-09-15 2026-09-17 ok
www.postbox.vpv.de 2 2025-09-15 2026-09-17 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/vpv.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/vpv.de.