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.

14 hosts · 190 ms

HostCertsFirst seenLast seen
wirelessnation.co.nz 6 2025-06-28 2026-08-20
voice.wirelessnation.co.nz 5 2026-05-12 2026-09-09
voiceline.wirelessnation.co.nz 4 2026-04-13 2026-08-11
phone.wirelessnation.co.nz 13 2026-05-29 2026-09-25
live.wirelessnation.co.nz 1 2025-06-28 2025-06-28
hotspotportal.wirelessnation.co.nz 2 2026-05-07 2026-05-07
voiceadmin.wirelessnation.co.nz 5 2026-05-12 2026-09-09
go.wirelessnation.co.nz 3 2026-06-07 2026-08-14
signup.wirelessnation.co.nz 5 2026-04-24 2026-08-20
acs.wirelessnation.co.nz 5 2026-04-28 2026-08-26
get.wirelessnation.co.nz 20 2026-06-01 2026-09-28
hotspot.wirelessnation.co.nz 5 2026-04-27 2026-08-25
speedtest.wirelessnation.co.nz 1 2026-05-20 2026-05-20
www.wirelessnation.co.nz 6 2025-06-28 2026-08-20

Programmatic access: API GET /v1/hosts/wirelessnation.co.nz (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/wirelessnation.co.nz.