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.

6 hosts · 355 ms

HostCertsFirst seenLast seenDNS
unisol-gr.com 5 2026-05-11 2026-09-14 ok
www2.unisol-gr.com 4 2026-04-17 2026-08-15 ok
www3.unisol-gr.com 5 2026-04-28 2026-08-26 ok
tracking.unisol-gr.com 4 2026-06-07 2026-10-03 ok
wwwtest.unisol-gr.com 3 2026-06-08 2026-08-07 ok
www.unisol-gr.com 5 2026-05-11 2026-09-14 ok

Programmatic access, with DNS A records: API GET /v1/hosts/unisol-gr.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/unisol-gr.com.