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 · 316 ms

HostCertsFirst seenLast seenDNS
confindustriavarese.it 1 2025-11-10 2025-11-10 nodata
ggi.confindustriavarese.it 1 2025-11-10 2025-11-10 ok
www.ggi.confindustriavarese.it 1 2025-11-10 2025-11-10 nxdomain
tracking.eventi.confindustriavarese.it 3 2026-07-21 2026-10-05 ok
servizi.confindustriavarese.it 5 2026-05-31 2026-09-28 ok
tracking.eventi.servizi.confindustriavarese.it 3 2026-07-21 2026-10-05 ok
crm.servizi.confindustriavarese.it 5 2026-05-25 2026-09-28 ok
mta-sts.servizi.confindustriavarese.it 4 2026-04-14 2026-08-10 ok
tracking.news.servizi.confindustriavarese.it 3 2026-07-21 2026-10-05 ok
tracking.crmscv.servizi.confindustriavarese.it 3 2026-07-21 2026-10-05 ok
www.servizi.confindustriavarese.it 5 2026-05-31 2026-09-28 ok
mail.confindustriavarese.it 1 2026-03-12 2026-03-12 ok
tracking.crm.confindustriavarese.it 3 2026-07-21 2026-10-05 ok
vpn.confindustriavarese.it 2 2025-11-03 2025-11-17 ok
hr.confindustriavarese.it 10 2026-05-05 2026-10-02 ok
mta-sts.confindustriavarese.it 4 2026-04-14 2026-08-10 ok
tracking.news.confindustriavarese.it 3 2026-07-21 2026-10-05 ok
intranet.confindustriavarese.it 1 2025-11-10 2025-11-10 ok
www.confindustriavarese.it 1 2025-11-10 2025-11-10 ok

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