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.

22 hosts · 164 ms

HostCertsFirst seenLast seen
digitaldynamics.com.au 23 2026-04-16 2026-10-10
*.digitaldynamics.com.au 6 2026-04-16 2026-10-10
host01.digitaldynamics.com.au 5 2026-05-13 2026-09-10
infra.digitaldynamics.com.au 5 2026-04-24 2026-08-22
dashboard.digitaldynamics.com.au 3 2026-05-13 2026-09-26
passwordstate.digitaldynamics.com.au 6 2025-09-15 2026-09-22
www.passwordstate.digitaldynamics.com.au 1 2025-09-15 2025-09-15
haloapi.digitaldynamics.com.au 14 2026-05-09 2026-09-04
link.digitaldynamics.com.au 4 2026-06-13 2026-10-11
network.digitaldynamics.com.au 5 2026-04-24 2026-08-22
helpdesk.digitaldynamics.com.au 1 2026-02-05 2026-02-05
dataroom.digitaldynamics.com.au 10 2026-07-20 2026-09-30
go.digitaldynamics.com.au 6 2026-05-21 2026-10-02
cipp.digitaldynamics.com.au 4 2026-02-11 2026-08-21
appserver.digitaldynamics.com.au 6 2025-09-15 2026-09-22
www.appserver.digitaldynamics.com.au 1 2025-09-15 2025-09-15
forms.digitaldynamics.com.au 5 2026-05-20 2026-09-19
domains.digitaldynamics.com.au 7 2026-05-18 2026-09-29
clients.digitaldynamics.com.au 4 2026-04-21 2026-08-21
mta-sts.digitaldynamics.com.au 4 2026-05-05 2026-07-27
www.digitaldynamics.com.au 3 2026-06-29 2026-08-29
daisy.digitaldynamics.com.au 5 2026-05-23 2026-09-21

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