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.

10 hosts · 259 ms

HostCertsFirst seenLast seenDNS
nandos.com.au 8 2025-10-15 2026-09-15 ok
*.nandos.com.au 8 2025-10-15 2026-09-15 —
tx.external.nandos.com.au 12 2026-05-25 2026-09-20 ok
portal.nandos.com.au 5 2026-05-04 2026-09-06 ok
l.m.nandos.com.au 1 2025-12-17 2025-12-17 ok
help.nandos.com.au 5 2026-05-09 2026-09-06 ok
comms.nandos.com.au 7 2026-06-02 2026-10-02 ok
bizapps.nandos.com.au 6 2026-04-27 2026-08-18 ok
l.t.nandos.com.au 1 2025-12-17 2025-12-17 ok
tx.nandos.com.au 8 2026-05-26 2026-09-21 ok

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