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 · 310 ms

HostCertsFirst seenLast seenDNS
nordnet.no 3 2025-08-28 2026-09-09 ok
retail-web.nordnet.no 3 2026-04-30 2026-06-22 ok
public.nordnet.no 7 2025-08-25 2026-08-18 ok
nneid.nordnet.no 5 2026-04-29 2026-08-27 ok
blogg.nordnet.no 6 2026-04-22 2026-09-09 ok
*.blogg.nordnet.no 4 2026-04-22 2026-06-20 —
link.nordnet.no 3 2026-05-10 2026-08-26 ok
tunnel.nordnet.no 6 2025-09-22 2026-08-18 ok
partner.nordnet.no 4 2026-04-14 2026-09-24 ok
analytics.nordnet.no 3 2026-05-14 2026-08-30 ok
files.nordnet.no 3 2026-05-12 2026-08-29 ok
link.notifications.nordnet.no 2 2026-10-02 2026-10-02 ok
events.nordnet.no 5 2025-09-24 2026-09-08 ok
nneid-test.nordnet.no 4 2026-04-20 2026-08-19 ok
www.nordnet.no 4 2025-08-28 2026-09-01 ok

Programmatic access, with DNS A records: API GET /v1/hosts/nordnet.no (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/nordnet.no.