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.

4 hosts · 216 ms

HostCertsFirst seenLast seenDNS
vinted.ca 9 2025-11-10 2026-10-04 ok
*.vinted.ca 8 2026-04-10 2026-10-04 —
*.edge.vinted.ca 6 2026-05-14 2026-09-09 —
www.vinted.ca 1 2025-11-10 2025-11-10 ok

Programmatic access, with DNS A records: API GET /v1/hosts/vinted.ca (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/vinted.ca.