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.

13 hosts · 223 ms

HostCertsFirst seenLast seenDNS
nothingnaughty.kiwi.nz 12 2026-05-22 2026-09-27 ok
wholesale.nothingnaughty.kiwi.nz 17 2026-05-25 2026-10-02 ok
accounts.wholesale.nothingnaughty.kiwi.nz 13 2026-04-13 2026-09-25 ok
img.email.nothingnaughty.kiwi.nz 6 2026-04-19 2026-08-15 ok
r.email.nothingnaughty.kiwi.nz 6 2026-04-24 2026-10-01 ok
wadmin.nothingnaughty.kiwi.nz 1 2026-09-02 2026-09-02 ok
go.nothingnaughty.kiwi.nz 1 2026-09-18 2026-09-18 ok
issues.nothingnaughty.kiwi.nz 4 2026-06-04 2026-10-06 ok
partners.nothingnaughty.kiwi.nz 1 2026-09-02 2026-09-02 ok
creators.nothingnaughty.kiwi.nz 1 2026-08-24 2026-08-24 ok
account.nothingnaughty.kiwi.nz 13 2026-04-19 2026-10-03 ok
new.nothingnaughty.kiwi.nz 12 2026-05-22 2026-10-02 ok
www.nothingnaughty.kiwi.nz 16 2026-05-22 2026-10-02 ok

Programmatic access, with DNS A records: API GET /v1/hosts/nothingnaughty.kiwi.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/nothingnaughty.kiwi.nz.