Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

21 hosts · 171 ms

HostCertsFirst seenLast seen
dnb.se 2 2026-01-27 2026-01-27
www-s51.dnb.se 3 2025-10-16 2026-09-25
www-a1.dnb.se 4 2025-08-04 2026-09-25
www-s52.dnb.se 3 2025-10-16 2026-09-25
www-a2.dnb.se 4 2025-08-04 2026-09-25
www-s53.dnb.se 3 2025-10-16 2026-09-25
www-a3.dnb.se 4 2025-08-04 2026-09-25
tuicard.dnb.se 5 2026-05-24 2026-09-22
akamai.dnb.se 2 2026-03-25 2026-09-25
*.akamai.dnb.se 2 2026-03-25 2026-09-25
nettbank.api.dnb.se 2 2026-02-20 2026-10-09
uat.nettbank.api.dnb.se 3 2026-01-27 2026-08-26
sit.nettbank.api.dnb.se 3 2026-01-27 2026-08-26
dev.nettbank.api.dnb.se 3 2026-01-27 2026-08-26
publicsector.dnb.se 2 2026-09-22 2026-09-22
test.publicsector.dnb.se 1 2026-06-23 2026-06-23
portalatest.finans.dnb.se 1 2026-02-20 2026-02-20
portalstest.finans.dnb.se 2 2026-03-03 2026-07-03
mta-sts.dnb.se 3 2025-10-22 2026-09-25
www-pilot.dnb.se 3 2026-03-25 2026-09-25
www.dnb.se 3 2026-01-27 2026-01-27

Programmatic access: API GET /v1/hosts/dnb.se (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/dnb.se.