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.

25 hosts · 329 ms

HostCertsFirst seenLast seenDNS
stratco.com.au 13 2025-08-18 2026-09-07 ok
*.stratco.com.au 2 2025-08-26 2026-09-07 —
prod2.stratco.com.au 10 2026-04-14 2026-08-09 ok
prep2.stratco.com.au 6 2026-05-03 2026-08-29 ok
int2.stratco.com.au 11 2026-06-01 2026-09-27 ok
prod.stratco.com.au 12 2025-08-18 2026-09-27 ok
www.prod.stratco.com.au 1 2025-08-18 2025-08-18 nxdomain
training.stratco.com.au 5 2026-05-25 2026-09-22 ok
cloud.edm.stratco.com.au 1 2025-11-05 2025-11-05 ok
image.edm.stratco.com.au 3 2026-01-08 2026-09-01 ok
click.edm.stratco.com.au 1 2025-11-05 2025-11-05 ok
view.edm.stratco.com.au 1 2025-11-05 2025-11-05 ok
pavilion.stratco.com.au 10 2026-04-24 2026-08-20 ok
www.pavilion.stratco.com.au 6 2026-05-01 2026-08-28 ok
prep.stratco.com.au 9 2025-08-18 2026-08-27 ok
www.prep.stratco.com.au 1 2025-08-18 2025-08-18 nxdomain
lp.stratco.com.au 16 2026-05-27 2026-09-22 ok
fencebuilder.stratco.com.au 1 2026-02-25 2026-02-25 ok
docs.stratco.com.au 1 2026-04-13 2026-04-13 nxdomain
guides.stratco.com.au 1 2026-04-13 2026-04-13 nxdomain
sites.stratco.com.au 2 2026-08-27 2026-08-27 ok
catalogues.stratco.com.au 8 2026-05-01 2026-08-27 ok
int.stratco.com.au 9 2025-08-18 2026-08-27 ok
www.int.stratco.com.au 1 2025-08-18 2025-08-18 nxdomain
www.stratco.com.au 21 2025-08-18 2026-09-28 ok

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