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 · 270 ms

HostCertsFirst seenLast seenDNS
gibs.co.za 9 2025-08-11 2026-09-23 ok
*.gibs.co.za 9 2025-08-11 2026-09-23 —
eduroam.gibs.co.za 3 2026-05-13 2026-08-03 ok
learn.gibs.co.za 1 2025-12-19 2025-12-19 nxdomain
www.learn.gibs.co.za 1 2025-12-19 2025-12-19 nxdomain
compass.gibs.co.za 1 2026-09-30 2026-09-30 ok
mta-sts.gibs.co.za 5 2026-05-02 2026-09-04 ok
uat.gibs.co.za 2 2026-02-22 2026-07-13 ok
connect.gibs.co.za 4 2026-06-03 2026-06-03 ok
campusconnect.gibs.co.za 6 2026-05-16 2026-06-18 ok
content.gibs.co.za 3 2026-05-14 2026-09-26 ok
uatcontent.gibs.co.za 3 2026-05-14 2026-09-26 ok
www.gibs.co.za 2 2026-02-27 2026-07-18 ok

Programmatic access, with DNS A records: API GET /v1/hosts/gibs.co.za (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/gibs.co.za.