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.

8 hosts · 310 ms

HostCertsFirst seenLast seen
looktv.mn 1 2026-04-20 2026-04-20
*.looktv.mn 1 2026-04-20 2026-04-20
p1-drm-gw-0-1.looktv.mn 1 2026-04-20 2026-04-20
p1-drm-gw-1-1.looktv.mn 1 2026-04-20 2026-04-20
castlabs1.looktv.mn 1 2026-04-20 2026-04-20
castlabs2.looktv.mn 1 2026-04-20 2026-04-20
api.looktv.mn 1 2026-04-20 2026-04-20
cdn.looktv.mn 1 2026-04-20 2026-04-20

Programmatic access: API GET /v1/hosts/looktv.mn (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/looktv.mn.