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.

24 hosts · 284 ms

HostCertsFirst seenLast seenDNS
affirm-stage.ca 34 2026-02-15 2026-10-04 ok
*.affirm-stage.ca 47 2025-07-28 2026-10-04 —
*.stage-live-infra-ints-c1.affirm-stage.ca 1 2025-07-28 2025-07-28 —
stage-live-apps-int1.affirm-stage.ca 11 2026-02-18 2026-08-23 nodata
*.stage-live-apps-int1.affirm-stage.ca 11 2026-02-18 2026-08-23 —
*.stage-live-infra-ints-c2.affirm-stage.ca 1 2025-12-09 2025-12-09 —
stage-live-apps-int2.affirm-stage.ca 6 2026-03-10 2026-08-23 nodata
*.stage-live-apps-int2.affirm-stage.ca 6 2026-03-10 2026-08-23 —
url4324.affirm-stage.ca 3 2026-05-24 2026-08-08 ok
*.stage-live-argocd.affirm-stage.ca 1 2026-02-03 2026-02-03 —
*.stage-live-database.affirm-stage.ca 2 2025-09-20 2026-08-20 —
*.stage-sandbox-database.affirm-stage.ca 2 2025-09-20 2026-08-20 —
stage-live-batch-flink.affirm-stage.ca 2 2026-05-04 2026-10-04 nodata
*.stage-live-batch-flink.affirm-stage.ca 2 2026-05-04 2026-10-04 —
*.stage-live-main.affirm-stage.ca 2 2026-04-16 2026-09-16 —
*.stage-analytics-main.affirm-stage.ca 1 2026-01-25 2026-01-25 —
*.stage-live-bravo.affirm-stage.ca 1 2025-12-21 2025-12-21 —
*.stage-sandbox-bravo.affirm-stage.ca 1 2025-12-20 2025-12-20 —
url4324shop.affirm-stage.ca 1 2025-11-27 2025-11-27 ok
*.stage-live-jobs.affirm-stage.ca 1 2026-02-10 2026-02-10 —
*.gitops.affirm-stage.ca 1 2026-02-17 2026-02-17 —
merchant-auth-dev.affirm-stage.ca 4 2026-07-21 2026-07-21 nxdomain
sandbox.affirm-stage.ca 13 2026-02-26 2026-09-29 ok
*.sandbox.affirm-stage.ca 13 2026-02-26 2026-09-29 —

Programmatic access, with DNS A records: API GET /v1/hosts/affirm-stage.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/affirm-stage.ca.