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.

7 hosts · 212 ms

HostCertsFirst seenLast seenDNS
redcare-pharmacie.fr 2 2025-10-16 2025-12-22 ok
*.redcare-pharmacie.fr 1 2025-10-16 2025-10-16 —
cdn.redcare-pharmacie.fr 4 2026-04-15 2026-09-30 ok
info.redcare-pharmacie.fr 5 2026-05-09 2026-09-06 ok
img.smtp.redcare-pharmacie.fr 14 2026-05-04 2026-08-30 ok
r.smtp.redcare-pharmacie.fr 6 2026-04-27 2026-10-03 ok
www.redcare-pharmacie.fr 1 2025-12-22 2025-12-22 ok

Programmatic access, with DNS A records: API GET /v1/hosts/redcare-pharmacie.fr (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/redcare-pharmacie.fr.