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.

15 hosts · 322 ms

HostCertsFirst seenLast seenDNS
media.nurse-senka.com 5 2026-04-02 2026-09-02 ok
*.media.nurse-senka.com 4 2026-04-02 2026-09-02 —
redirect.media.nurse-senka.com 2 2026-06-19 2026-06-22 nxdomain
development.media.nurse-senka.com 6 2026-03-16 2026-08-16 ok
*.development.media.nurse-senka.com 4 2026-03-16 2026-08-16 —
redirect-knowledge.development.media.nurse-senka.com 2 2026-07-13 2026-07-14 nxdomain
redirect-lounge.development.media.nurse-senka.com 1 2026-07-09 2026-07-09 nxdomain
redirect-square.development.media.nurse-senka.com 2 2026-07-13 2026-07-14 nxdomain
redirect-medical-term.development.media.nurse-senka.com 2 2026-07-13 2026-07-14 nxdomain
redirect-promo.development.media.nurse-senka.com 3 2026-07-13 2026-07-15 nxdomain
redirect.development.media.nurse-senka.com 3 2026-06-19 2026-06-22 nxdomain
redirect.redirect.development.media.nurse-senka.com 1 2026-06-19 2026-06-19 nxdomain
redirect-account.development.media.nurse-senka.com 1 2026-06-23 2026-06-23 nxdomain
redirect-survey.development.media.nurse-senka.com 3 2026-07-13 2026-07-15 nxdomain
redirect-account.media.nurse-senka.com 1 2026-06-23 2026-06-23 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/media.nurse-senka.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/media.nurse-senka.com.