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.

21 hosts · 316 ms

HostCertsFirst seenLast seenDNS
metastock.com 3 2026-02-17 2026-07-16 ok
beta.metastock.com 3 2026-02-20 2026-07-08 ok
equisweb.metastock.com 4 2026-05-02 2026-08-20 ok
cc.metastock.com 2 2026-03-23 2026-07-16 ok
beta-cc.metastock.com 2 2026-03-15 2026-07-08 ok
beta-core.metastock.com 1 2026-03-12 2026-03-12 ok
beta-cc-core.metastock.com 1 2026-06-19 2026-06-19 ok
prod-core.metastock.com 2 2026-03-23 2026-08-07 ok
beta-staging.metastock.com 3 2026-02-17 2026-07-06 ok
www.beta-staging.metastock.com 1 2026-02-17 2026-02-17 nxdomain
blog.metastock.com 5 2026-04-18 2026-09-25 ok
forum.metastock.com 2 2026-03-23 2026-07-16 ok
beta-forum.metastock.com 2 2026-03-15 2026-07-08 ok
cdn.metastock.com 1 2026-02-18 2026-02-18 ok
beta-cdn.metastock.com 4 2025-11-06 2025-12-18 ok
www.beta-cdn.metastock.com 1 2025-12-18 2025-12-18 nxdomain
prod-cdn.metastock.com 1 2026-01-26 2026-01-26 nodata
www.cdn.metastock.com 1 2026-02-18 2026-02-18 nxdomain
reports.metastock.com 1 2026-07-07 2026-07-07 nxdomain
www.reports.metastock.com 1 2026-07-07 2026-07-07 nxdomain
www.metastock.com 3 2026-02-17 2026-07-16 ok

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