Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

7 hosts · 281 ms

HostCertsFirst seenLast seen
nu.com.br 4 2025-12-25 2026-10-04
*.nu.com.br 4 2025-08-13 2026-07-12
nimbus-ds.nu.com.br 2 2025-11-06 2026-10-06
*.nimbus-ds.nu.com.br 2 2025-11-06 2026-10-06
*.staging-www.nimbus-ds.nu.com.br 2 2025-11-06 2026-10-06
nuds.nu.com.br 5 2026-04-29 2026-08-25
www.nu.com.br 3 2026-05-04 2026-10-04

Programmatic access: API GET /v1/hosts/nu.com.br (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/nu.com.br.