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 · 246 ms

HostCertsFirst seenLast seenDNS
commercial.keurig.com 2 2025-12-08 2025-12-08 ok
info.commercial.keurig.com 1 2026-04-30 2026-04-30 ok
www.info.commercial.keurig.com 1 2026-04-30 2026-04-30 nxdomain
leads.commercial.keurig.com 1 2026-04-28 2026-04-28 ok
www.leads.commercial.keurig.com 1 2026-04-28 2026-04-28 nxdomain
support.commercial.keurig.com 4 2025-12-08 2026-08-31 ok
support-test.commercial.keurig.com 4 2025-12-08 2026-08-31 ok

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