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 · 381 ms

HostCertsFirst seenLast seenDNS
barryplant.com.au 16 2026-05-04 2026-10-01 ok
*.barryplant.com.au 16 2026-05-04 2026-10-01 —
media.barryplant.com.au 2 2026-09-30 2026-09-30 ok
brand.barryplant.com.au 3 2026-05-06 2026-08-22 ok
*.datalake.barryplant.com.au 4 2025-09-16 2026-08-17 —
api.mobile.barryplant.com.au 2 2025-10-29 2026-09-29 ok
launch.barryplant.com.au 10 2026-04-16 2026-08-12 ok
link.barryplant.com.au 4 2026-04-13 2026-08-10 ok
images.barryplant.com.au 6 2026-04-13 2026-08-09 ok
staging-images.barryplant.com.au 8 2026-04-15 2026-08-11 ok
comms.barryplant.com.au 5 2026-05-11 2026-09-07 ok
support.barryplant.com.au 8 2026-05-11 2026-09-06 ok
www.barryplant.com.au 5 2026-05-30 2026-09-26 ok

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