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.

16 hosts · 274 ms

HostCertsFirst seenLast seenDNS
getmoss.com 5 2026-05-08 2026-09-03 ok
*.getmoss.com 5 2026-05-08 2026-09-03 —
seal-db.getmoss.com 5 2026-05-26 2026-09-24 nodata
webhooks-db.getmoss.com 5 2026-05-26 2026-09-24 ok
notify.lovable.getmoss.com 5 2026-08-07 2026-10-06 nodata
*.notify.lovable.getmoss.com 5 2026-08-07 2026-10-06 —
groove.getmoss.com 6 2026-04-29 2026-08-28 ok
feedback.getmoss.com 10 2026-04-22 2026-08-18 ok
internal.getmoss.com 5 2026-05-04 2026-08-30 nodata
*.internal.getmoss.com 5 2026-05-04 2026-08-30 —
join.getmoss.com 5 2026-05-02 2026-08-30 ok
o.getmoss.com 5 2026-05-20 2026-09-17 ok
resources.getmoss.com 12 2026-04-23 2026-08-20 ok
disputes.getmoss.com 2 2026-09-24 2026-09-24 ok
vault.getmoss.com 5 2026-05-17 2026-09-13 nxdomain
trust.getmoss.com 3 2026-06-22 2026-09-13 ok

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