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.

11 hosts · 364 ms

HostCertsFirst seenLast seenDNS
culchiecomps.com 30 2026-04-13 2026-09-25 ok
*.culchiecomps.com 17 2026-04-19 2026-09-25 —
capi.culchiecomps.com 3 2025-08-06 2026-07-07 ok
*.capi.culchiecomps.com 1 2025-08-06 2025-08-06 —
2a57j78jff5wkjs0tks7e31qbuatuga.capi.culchiecomps.com 2 2025-08-06 2026-07-07 nodata
webdisk.culchiecomps.com 5 2026-05-20 2026-09-19 ok
cpanel.culchiecomps.com 5 2026-05-20 2026-09-19 ok
signals.culchiecomps.com 2 2026-07-01 2026-07-01 ok
*.signals.culchiecomps.com 2 2026-07-01 2026-07-01 —
stats.culchiecomps.com 5 2026-05-28 2026-09-25 ok
www.culchiecomps.com 13 2026-04-13 2026-08-11 ok

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