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 · 401 ms

HostCertsFirst seenLast seenDNS
stepps.com.au 35 2026-05-02 2026-09-25 ok
*.stepps.com.au 26 2026-05-15 2026-09-25 —
email.hbdgtd.stepps.com.au 5 2026-05-27 2026-09-24 ok
agencyhub-api-listd.stepps.com.au 1 2026-01-22 2026-01-22 nxdomain
capig.stepps.com.au 8 2026-04-15 2026-08-11 ok
domainapi.stepps.com.au 2 2025-08-27 2026-07-28 ok
metaconapi.stepps.com.au 10 2026-04-15 2026-08-12 ok
cdn.stepps.com.au 2 2026-04-07 2026-09-07 ok
advancecdn.stepps.com.au 3 2026-04-22 2026-09-22 ok
links.stepps.com.au 9 2026-05-02 2026-08-28 nxdomain
proposals.stepps.com.au 5 2026-05-25 2026-08-23 ok
websitereports.stepps.com.au 5 2026-05-16 2026-09-13 ok
support.stepps.com.au 13 2026-05-18 2026-09-13 ok

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