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.

6 hosts · 299 ms

HostCertsFirst seenLast seenDNS
veraapp.de 8 2026-04-11 2026-08-26 ok
*.veraapp.de 7 2026-04-11 2026-08-26 —
diga.veraapp.de 5 2026-06-05 2026-09-30 ok
sprechzeit.veraapp.de 1 2026-09-14 2026-09-14 ok
dev.veraapp.de 4 2026-04-18 2026-08-26 ok
www.veraapp.de 1 2026-08-18 2026-08-18 ok

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