Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

21 hosts · 178 ms

HostCertsFirst seenLast seen
elmec.it 5 2025-08-18 2026-08-28
*.elmec.it 4 2025-08-18 2026-08-28
elmec-expe01.elmec.it 4 2025-08-18 2026-08-28
elmec-expe02.elmec.it 4 2025-08-18 2026-08-28
elisbc2.elmec.it 4 2025-08-18 2026-08-28
elisbc3.elmec.it 2 2026-02-12 2026-08-28
owa.elmec.it 4 2025-08-18 2026-08-28
oob.elmec.it 4 2025-08-18 2026-08-28
elisbc.elmec.it 4 2025-08-18 2026-08-28
ai-experience.elmec.it 4 2026-05-05 2026-10-05
www.ai-experience.elmec.it 4 2026-05-05 2026-10-05
elmec-expe.elmec.it 4 2025-08-18 2026-08-28
whistleblowing.elmec.it 1 2026-01-09 2026-01-09
summitcoktail.elmec.it 1 2026-05-05 2026-05-05
www.summitcoktail.elmec.it 1 2026-05-05 2026-05-05
ssl.elmec.it 4 2025-08-18 2026-08-28
vpn.elmec.it 4 2025-08-18 2026-08-28
mta-sts.elmec.it 3 2026-04-27 2026-09-27
innovationsummit.elmec.it 2 2026-03-30 2026-08-30
website-test.elmec.it 1 2026-09-30 2026-09-30
www.website-test.elmec.it 1 2026-09-30 2026-09-30

Programmatic access: API GET /v1/hosts/elmec.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/elmec.it.