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.

20 hosts · 402 ms

HostCertsFirst seenLast seenDNS
nbin.ca 4 2026-02-09 2026-08-24 ok
wealth360.nbin.ca 5 2025-10-29 2026-10-02 ok
uat2.nbin.ca 7 2025-09-10 2026-08-24 ok
sz.ta.nbin.ca 12 2025-10-08 2026-08-24 ok
sz.prod.nbin.ca 19 2025-10-08 2026-08-24 ok
auth.nbin.ca 6 2026-04-02 2026-09-01 ok
api.nbin.ca 4 2026-02-09 2026-08-24 ok
info.nbin.ca 13 2025-11-11 2026-09-24 ok
wealth360-pp.nbin.ca 10 2025-12-12 2026-08-19 ok
auth-pp.nbin.ca 8 2025-12-15 2026-09-01 ok
api-pp.nbin.ca 7 2025-12-15 2026-08-19 ok
info-pp.nbin.ca 9 2025-09-10 2026-09-24 ok
metrics-pp.nbin.ca 10 2025-06-11 2026-08-24 ok
compass-pp.nbin.ca 9 2025-06-09 2026-08-24 ok
www-pp.nbin.ca 7 2025-09-10 2026-08-24 ok
sz.pp.nbin.ca 12 2025-10-08 2026-08-24 ok
metrics.nbin.ca 6 2025-06-11 2026-08-24 ok
compass.nbin.ca 5 2025-06-09 2026-08-24 ok
uat.nbin.ca 8 2025-09-10 2026-08-24 ok
www.nbin.ca 5 2026-02-09 2026-08-24 ok

Programmatic access, with DNS A records: API GET /v1/hosts/nbin.ca (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/nbin.ca.