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.

14 hosts · 312 ms

HostCertsFirst seenLast seenDNS
bellmedex.com 4 2026-04-10 2026-08-08 ok
autoconfig.bellmedex.com 1 2026-08-08 2026-08-08 ok
clk.bellmedex.com 5 2026-05-09 2026-09-08 ok
www.clk.bellmedex.com 5 2026-05-09 2026-09-08 ok
webdisk.bellmedex.com 4 2026-04-10 2026-08-08 ok
cpanel.bellmedex.com 4 2026-04-10 2026-08-08 ok
mail.bellmedex.com 4 2026-04-10 2026-08-08 ok
webmail.bellmedex.com 4 2026-04-10 2026-08-08 ok
go.bellmedex.com 2 2026-05-03 2026-05-03 nxdomain
autodiscover.bellmedex.com 4 2026-04-10 2026-08-08 ok
scripts.bellmedex.com 2 2026-05-03 2026-05-03 nxdomain
start.bellmedex.com 6 2026-05-03 2026-08-30 ok
host.bellmedex.com 1 2026-08-11 2026-08-11 ok
www.bellmedex.com 4 2026-04-10 2026-08-08 ok

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