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.

20 hosts · 172 ms

HostCertsFirst seenLast seen
kogan.com.au 12 2025-09-28 2026-10-09
*.kogan.com.au 5 2026-05-23 2026-09-20
eng.kogan.com.au 8 2026-05-11 2026-09-07
infotech.kogan.com.au 11 2026-05-24 2026-09-19
fwtrack.kogan.com.au 5 2026-04-25 2026-08-23
work.kogan.com.au 5 2026-05-26 2026-09-22
mcp.kogan.com.au 3 2026-05-18 2026-09-05
desktop.kogan.com.au 5 2026-05-26 2026-09-22
corp.kogan.com.au 3 2025-07-28 2026-07-23
*.corp.kogan.com.au 3 2025-07-28 2026-07-23
learn.corp.kogan.com.au 5 2026-05-17 2026-09-14
asset.corp.kogan.com.au 5 2026-05-27 2026-09-24
hudu.corp.kogan.com.au 1 2026-02-04 2026-02-04
display.corp.kogan.com.au 5 2026-05-25 2026-09-22
marketing-tools.kogan.com.au 6 2026-05-29 2026-10-01
it.kogan.com.au 12 2026-05-25 2026-09-21
blog-it.kogan.com.au 4 2026-05-16 2026-10-13
staging.blog-it.kogan.com.au 4 2026-05-11 2026-10-08
status-it.kogan.com.au 20 2026-05-20 2026-09-15
www.kogan.com.au 4 2025-09-28 2026-09-15

Programmatic access: API GET /v1/hosts/kogan.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/kogan.com.au.