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.

27 hosts · 467 ms

HostCertsFirst seenLast seenDNS
healthpartners.com.au 4 2025-06-26 2026-07-03 ok
*.healthpartners.com.au 3 2025-06-26 2026-07-03 —
outlook2.healthpartners.com.au 1 2026-01-29 2026-01-29 ok
homailboxv3.healthpartners.com.au 1 2026-01-29 2026-01-29 nxdomain
testmailboxv3.healthpartners.com.au 1 2026-01-29 2026-01-29 nxdomain
*.e.healthpartners.com.au 1 2025-11-13 2025-11-13 —
stage.healthpartners.com.au 8 2026-05-10 2026-09-05 ok
images-stage.healthpartners.com.au 5 2026-07-28 2026-09-25 ok
assets-stage.healthpartners.com.au 10 2026-05-14 2026-09-09 ok
hospitalsearch.healthpartners.com.au 10 2026-04-24 2026-08-21 ok
memberapi.healthpartners.com.au 10 2026-04-26 2026-08-23 ok
outlook.healthpartners.com.au 1 2026-01-29 2026-01-29 ok
optical.healthpartners.com.au 8 2026-05-16 2026-09-12 ok
dental.healthpartners.com.au 14 2026-05-18 2026-09-14 ok
portal.healthpartners.com.au 2 2026-01-24 2026-06-26 ok
mdm.healthpartners.com.au 2 2025-09-03 2026-09-18 ok
AutoDiscover.healthpartners.com.au 1 2026-01-29 2026-01-29 —
analytics.healthpartners.com.au 4 2026-05-28 2026-09-14 ok
images.healthpartners.com.au 5 2026-07-28 2026-09-25 ok
careers.healthpartners.com.au 4 2026-04-22 2026-08-19 ok
www.careers.healthpartners.com.au 1 2026-05-11 2026-05-11 nxdomain
assets.healthpartners.com.au 6 2026-05-16 2026-09-11 ok
webserv.test.healthpartners.com.au 2 2025-09-03 2026-09-18 ok
webserv.dev.healthpartners.com.au 2 2025-09-03 2026-09-18 ok
webserv.healthpartners.com.au 2 2025-09-03 2026-09-18 ok
www.healthpartners.com.au 11 2026-05-14 2026-09-10 ok
pharmacy.healthpartners.com.au 2 2025-09-03 2026-09-18 ok

Programmatic access, with DNS A records: API GET /v1/hosts/healthpartners.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/healthpartners.com.au.