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.

10 hosts · 315 ms

HostCertsFirst seenLast seenDNS
intelice.com 5 2026-05-19 2026-09-19 ok
dmarc.intelice.com 3 2026-04-26 2026-09-26 ok
*.dmarc.intelice.com 3 2026-04-26 2026-09-26 —
avd.intelice.com 3 2026-02-21 2026-10-05 ok
secure.intelice.com 3 2026-02-20 2026-10-04 ok
unifi.intelice.com 1 2025-11-11 2025-11-11 ok
email.msp.intelice.com 5 2026-05-28 2026-09-25 ok
docs.intelice.com 2 2026-03-17 2026-08-17 ok
mta-sts.intelice.com 5 2026-04-30 2026-09-19 ok
www.intelice.com 5 2026-05-19 2026-09-19 ok

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