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.

13 hosts · 266 ms

HostCertsFirst seenLast seenDNS
linxea.com 18 2025-10-02 2026-09-22 ok
*.linxea.com 23 2025-10-02 2026-09-22 —
tr.service.linxea.com 4 2026-04-07 2026-08-05 ok
assurancevie.linxea.com 1 2025-12-03 2025-12-03 ok
*.ai.linxea.com 1 2026-09-22 2026-09-22 —
*.stg.ai.linxea.com 1 2026-09-24 2026-09-24 —
forum.linxea.com 22 2026-04-14 2026-08-05 ok
tr.info.linxea.com 4 2026-04-18 2026-08-16 ok
analytics.linxea.com 5 2026-04-14 2026-09-22 ok
formulaires.linxea.com 5 2026-04-23 2026-08-21 ok
cms.linxea.com 12 2026-05-03 2026-08-29 ok
email.operations.linxea.com 3 2026-07-07 2026-09-05 ok
tr.news.linxea.com 4 2026-04-17 2026-08-15 ok

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