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.

10 hosts · 290 ms

HostCertsFirst seenLast seenDNS
vogo.com 17 2026-05-06 2026-09-18 ok
*.vogo.com 17 2026-05-06 2026-09-18 —
concierge.vogo.com 2 2026-07-17 2026-09-09 ok
concierge-staging.vogo.com 3 2026-04-28 2026-08-12 ok
payments-staging.vogo.com 5 2026-04-11 2026-07-30 ok
vogi.vogo.com 2 2026-10-02 2026-10-02 ok
ask.vogo.com 1 2026-09-25 2026-09-25 ok
brian.vogo.com 1 2026-09-23 2026-09-23 ok
payments.vogo.com 3 2026-05-21 2026-09-05 ok
stay.vogo.com 10 2026-04-19 2026-08-16 ok

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