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 · 276 ms

HostCertsFirst seenLast seenDNS
edeltravel.com 5 2026-06-01 2026-09-28 ok
*.edeltravel.com 2 2026-06-01 2026-06-01 —
mail.edeltravel.com 4 2026-04-20 2026-08-18 ok
www.mail.edeltravel.com 4 2026-04-20 2026-08-18 ok
www.edeltravel.com 3 2026-07-31 2026-09-28 ok
pay.edeltravel.com 6 2026-04-22 2026-08-18 ok

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