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 · 220 ms

HostCertsFirst seenLast seenDNS
rendezvouschezledentiste.fr 30 2026-04-15 2026-10-06 ok
*.rendezvouschezledentiste.fr 11 2026-04-15 2026-09-08 —
backend.rendezvouschezledentiste.fr 10 2026-04-14 2026-09-06 ok
dev-backend.rendezvouschezledentiste.fr 4 2026-04-15 2026-08-13 ok
questionnaire.rendezvouschezledentiste.fr 9 2026-04-14 2026-09-06 ok
dev-questionnaire.rendezvouschezledentiste.fr 4 2026-04-15 2026-08-13 ok
traefik.rendezvouschezledentiste.fr 4 2026-04-14 2026-08-12 ok
backups-activform.rendezvouschezledentiste.fr 5 2026-05-11 2026-09-08 ok
pgadmin.rendezvouschezledentiste.fr 10 2026-05-08 2026-09-05 ok
dev-pgadmin.rendezvouschezledentiste.fr 4 2026-06-04 2026-10-03 ok
phpmyadmin.rendezvouschezledentiste.fr 10 2026-05-05 2026-09-03 ok
dev.rendezvouschezledentiste.fr 4 2026-06-04 2026-10-03 ok
www.rendezvouschezledentiste.fr 19 2026-05-05 2026-10-06 ok

Programmatic access, with DNS A records: API GET /v1/hosts/rendezvouschezledentiste.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/rendezvouschezledentiste.fr.