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.

7 hosts · 373 ms

HostCertsFirst seenLast seenDNS
dominos.lu 3 2026-01-15 2026-01-15 ok
*.dominos.lu 3 2026-01-15 2026-01-15 —
signup.vip.dominos.lu 1 2025-12-30 2025-12-30 ok
assets.vip.dominos.lu 1 2025-12-09 2025-12-09 ok
miassets.vip.dominos.lu 1 2026-02-02 2026-02-02 ok
analytics.dominos.lu 3 2026-05-08 2026-08-27 ok
deals.dominos.lu 4 2026-04-26 2026-09-27 ok

Programmatic access, with DNS A records: API GET /v1/hosts/dominos.lu (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/dominos.lu.