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 · 255 ms

HostCertsFirst seenLast seen
crkennedy.com.au 20 2026-04-21 2026-09-29
*.crkennedy.com.au 20 2026-04-21 2026-09-29
mailbaz1.crkennedy.com.au 1 2026-02-13 2026-02-13
www.mailbaz1.crkennedy.com.au 1 2026-02-13 2026-02-13
vpn4.crkennedy.com.au 2 2025-10-13 2026-07-30
www.vpn4.crkennedy.com.au 2 2025-10-13 2026-07-30
surveillance.crkennedy.com.au 1 2026-03-30 2026-03-30
cyclone.crkennedy.com.au 4 2026-04-12 2026-08-09
medical.crkennedy.com.au 1 2026-03-30 2026-03-30
crm.crkennedy.com.au 1 2026-03-30 2026-03-30
scepman.crkennedy.com.au 2 2026-04-09 2026-08-01
www.crkennedy.com.au 1 2026-03-30 2026-03-30
survey.crkennedy.com.au 1 2026-03-30 2026-03-30
www.survey.crkennedy.com.au 1 2026-03-30 2026-03-30

Programmatic access: API GET /v1/hosts/crkennedy.com.au (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/crkennedy.com.au.