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.

8 hosts · 311 ms

HostCertsFirst seenLast seenDNS
azimutbenetti.com 1 2026-03-10 2026-03-10 ok
*.azimutbenetti.com 1 2026-03-10 2026-03-10 —
logisticabenetti.azimutbenetti.com 5 2026-05-18 2026-09-13 ok
go.azimutbenetti.com 5 2026-06-06 2026-10-04 ok
cloud.test.azimutbenetti.com 1 2026-07-02 2026-07-02 ok
image.test.azimutbenetti.com 59 2026-07-02 2026-09-30 ok
click.test.azimutbenetti.com 1 2026-07-02 2026-07-02 ok
view.test.azimutbenetti.com 1 2026-07-02 2026-07-02 ok

Programmatic access, with DNS A records: API GET /v1/hosts/azimutbenetti.com (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/azimutbenetti.com.