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.

40 hosts · 279 ms

HostCertsFirst seenLast seenDNS
nordnet.se 3 2025-08-28 2026-09-08 ok
infrontweb1.nordnet.se 2 2026-02-23 2026-02-23 ok
oob1.nordnet.se 5 2026-04-01 2026-08-18 ok
excsmtp1.nordnet.se 1 2025-08-12 2025-08-12 nxdomain
infrontweb2.nordnet.se 2 2026-02-23 2026-02-24 ok
oob2.nordnet.se 5 2026-04-01 2026-08-18 ok
vpn2.nordnet.se 3 2026-01-05 2026-01-07 ok
hantera.nordnet.se 3 2026-04-26 2026-08-13 ok
retail-web.nordnet.se 3 2026-05-01 2026-06-22 ok
rdweb.nordnet.se 2 2026-05-19 2026-05-19 ok
public.nordnet.se 7 2025-08-25 2026-08-18 ok
nneid.nordnet.se 5 2026-04-22 2026-08-20 ok
brand.nordnet.se 11 2026-05-29 2026-09-23 ok
*.brand.nordnet.se 11 2026-05-29 2026-09-23 —
nntmqprd.nordnet.se 2 2025-08-07 2026-07-29 nxdomain
remote.nordnet.se 3 2026-01-05 2026-01-07 ok
creative.nordnet.se 9 2026-05-29 2026-09-23 ok
*.creative.nordnet.se 9 2026-05-29 2026-09-23 —
jamf.nordnet.se 2 2025-09-22 2026-10-07 ok
blogg.nordnet.se 12 2026-04-24 2026-09-07 ok
*.blogg.nordnet.se 8 2026-04-24 2026-06-22 —
pki.nordnet.se 3 2026-05-15 2026-08-27 ok
public-pki.nordnet.se 3 2026-05-15 2026-08-27 ok
ssek.nordnet.se 3 2025-06-18 2026-06-29 ok
link.nordnet.se 6 2026-04-25 2026-10-04 ok
tunnel.nordnet.se 6 2025-09-22 2026-08-18 ok
vpn.nordnet.se 1 2025-10-01 2025-10-01 ok
partner.nordnet.se 5 2026-04-22 2026-10-06 ok
analytics.nordnet.se 3 2026-05-05 2026-08-20 ok
files.nordnet.se 3 2026-05-06 2026-08-26 ok
link.notifications.nordnet.se 1 2026-10-02 2026-10-02 ok
event.nordnet.se 5 2025-09-24 2026-09-10 ok
nneid-test.nordnet.se 4 2026-04-20 2026-08-19 ok
pub.next.test.nordnet.se 6 2026-03-11 2026-08-18 nxdomain
priv.next.test.nordnet.se 7 2026-03-11 2026-08-18 nxdomain
ssektest.nordnet.se 4 2026-05-18 2026-07-13 ok
mfarollout.nordnet.se 4 2026-03-02 2026-07-20 ok
pub.next.nordnet.se 3 2026-01-05 2026-01-07 ok
priv.next.nordnet.se 3 2026-01-05 2026-01-07 ok
www.nordnet.se 4 2025-08-28 2026-08-25 ok

Programmatic access, with DNS A records: API GET /v1/hosts/nordnet.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/nordnet.se.