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.

12 hosts · 341 ms

HostCertsFirst seenLast seenDNS
combankltd.com 3 2026-02-05 2026-04-22 ok
*.combankltd.com 2 2026-02-05 2026-02-05 —
cbleib.combankltd.com 1 2026-05-13 2026-05-13 ok
archive.combankltd.com 4 2026-05-23 2026-07-23 ok
cdn.combankltd.com 1 2026-02-05 2026-02-05 ok
lightico.combankltd.com 4 2025-07-22 2026-08-12 ok
ftp.combankltd.com 2 2026-06-16 2026-06-16 ok
cbems.combankltd.com 4 2025-07-18 2026-08-12 ok
fdauat.combankltd.com 1 2025-11-06 2025-11-06 ok
www.fdauat.combankltd.com 1 2025-11-06 2025-11-06 nxdomain
www.combankltd.com 3 2026-02-05 2026-04-22 ok
cbapply.combankltd.com 1 2026-04-22 2026-04-22 ok

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