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.

19 hosts · 310 ms

HostCertsFirst seenLast seenDNS
bluelightcard.com.au 32 2026-05-13 2026-10-01 ok
*.bluelightcard.com.au 30 2026-05-13 2026-10-01 —
beta.bluelightcard.com.au 12 2026-05-31 2026-09-26 nxdomain
*.beta.bluelightcard.com.au 12 2026-05-31 2026-09-26 —
mobile-hybrid.bluelightcard.com.au 8 2026-05-22 2026-09-17 ok
staging.mobile-hybrid.bluelightcard.com.au 16 2026-05-22 2026-09-18 ok
*.services.blue.bluelightcard.com.au 10 2026-05-12 2026-09-07 —
support-zendesk.bluelightcard.com.au 5 2026-05-19 2026-09-16 ok
*.develop.bluelightcard.com.au 8 2026-05-15 2026-09-10 —
www.develop.bluelightcard.com.au 9 2026-06-06 2026-10-02 ok
services.bluelightcard.com.au 9 2026-05-22 2026-09-18 nodata
link.services.bluelightcard.com.au 9 2026-05-22 2026-09-18 ok
comms.bluelightcard.com.au 9 2026-05-22 2026-09-18 nodata
link.comms.bluelightcard.com.au 9 2026-05-22 2026-09-18 ok
careers.bluelightcard.com.au 10 2026-04-21 2026-09-24 ok
*.comms.bluelight.bluelightcard.com.au 10 2026-05-12 2026-09-07 —
support.bluelightcard.com.au 3 2026-06-19 2026-09-18 ok
next.bluelightcard.com.au 2 2026-09-23 2026-09-23 ok
*.next.bluelightcard.com.au 2 2026-09-23 2026-09-23 —

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