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.

19 hosts · 328 ms

HostCertsFirst seenLast seenDNS
lene.it 5 2026-04-28 2026-08-31 ok
*.lene.it 46 2025-07-11 2026-10-05 —
attiva.lene.it 5 2026-05-31 2026-09-30 ok
leneclub.lene.it 3 2026-06-24 2026-08-24 ok
quemaslistini.lene.it 2 2025-09-05 2026-09-07 ok
cloud.mail.lene.it 2 2025-08-08 2026-07-29 ok
image.mail.lene.it 2 2026-05-28 2026-06-25 ok
click.mail.lene.it 3 2025-09-23 2026-09-21 ok
view.mail.lene.it 2 2025-08-08 2026-07-29 ok
email.lene.it 3 2025-08-27 2026-08-24 nodata
quemas.lene.it 2 2025-09-05 2026-09-07 ok
docs.lene.it 3 2025-08-27 2026-08-24 ok
bollettasmart.lene.it 3 2025-08-18 2026-09-07 ok
fast.lene.it 2 2025-09-05 2026-09-07 ok
quemaslistini-test.lene.it 1 2025-10-22 2025-10-22 ok
api-quemaslistini-test.lene.it 1 2026-09-04 2026-09-04 ok
quemas-test.lene.it 1 2025-10-22 2025-10-22 ok
fast-test.lene.it 1 2025-10-22 2025-10-22 ok
www.lene.it 5 2026-04-27 2026-08-29 ok

Programmatic access, with DNS A records: API GET /v1/hosts/lene.it (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/lene.it.