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.

15 hosts · 249 ms

HostCertsFirst seenLast seenDNS
britepayments.com 10 2026-04-16 2026-08-12 ok
*.britepayments.com 10 2026-04-16 2026-08-12 —
bank-status.staging.britepayments.com 2 2026-08-14 2026-10-06 ok
demo.britepayments.com 3 2026-05-14 2026-08-31 ok
docs.britepayments.com 8 2026-04-26 2026-08-22 ok
internal-api-docs.britepayments.com 22 2026-05-24 2026-09-25 ok
*.docs.britepayments.com 8 2026-04-26 2026-08-22 —
emailpreferences.britepayments.com 9 2026-06-02 2026-09-28 ok
goodthings.britepayments.com 9 2026-05-20 2026-09-16 ok
careers.britepayments.com 10 2026-05-25 2026-09-24 ok
assets.britepayments.com 3 2026-05-10 2026-08-26 ok
ext-assets.britepayments.com 3 2026-05-10 2026-08-26 ok
bank-status.britepayments.com 1 2026-08-17 2026-08-17 ok
chux.britepayments.com 5 2026-04-23 2026-10-03 ok
hello-chux.britepayments.com 3 2026-05-23 2026-09-09 ok

Programmatic access, with DNS A records: API GET /v1/hosts/britepayments.com (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/britepayments.com.