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 · 319 ms

HostCertsFirst seenLast seenDNS
veremark.com 18 2025-06-26 2026-09-29 ok
*.veremark.com 8 2025-06-26 2026-09-29 —
hub.veremark.com 4 2026-07-10 2026-09-07 ok
stage.veremark.com 5 2025-07-24 2026-09-23 nodata
*.stage.veremark.com 5 2025-07-24 2026-09-23 —
sea.stage.veremark.com 4 2025-06-11 2026-09-25 nxdomain
*.sea.stage.veremark.com 4 2025-06-11 2026-09-25 —
opsportal.stage.veremark.com 4 2025-07-28 2026-06-29 nxdomain
*.opsportal.stage.veremark.com 4 2025-07-28 2026-06-29 —
api.us.stage.veremark.com 2 2025-07-06 2026-06-06 ok
*.api.us.stage.veremark.com 2 2025-07-06 2026-06-06 —
lp.veremark.com 8 2026-04-30 2026-08-27 ok
help.veremark.com 8 2026-05-02 2026-08-28 ok
api.us.veremark.com 2 2025-10-14 2026-09-14 ok
*.api.us.veremark.com 2 2025-10-14 2026-09-14 —
status.veremark.com 5 2026-04-24 2026-08-21 ok
link.talent.veremark.com 4 2026-04-15 2026-08-13 ok
trust.veremark.com 3 2025-08-20 2026-07-21 ok
www.veremark.com 11 2026-05-29 2026-09-24 ok
sandbox.veremark.com 2 2025-12-09 2025-12-16 nodata
*.sandbox.veremark.com 2 2025-12-09 2025-12-16 —

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