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.

31 hosts · 266 ms

HostCertsFirst seenLast seenDNS
payset.io 19 2025-12-31 2026-09-24 ok
*.payset.io 16 2025-12-31 2026-09-24 —
prod.payset.io 3 2025-10-15 2026-09-15 nodata
*.prod.payset.io 3 2025-10-15 2026-09-15 —
dashboard.payset.io 8 2026-04-18 2026-08-14 ok
service.payset.io 5 2026-05-24 2026-09-21 ok
stage.payset.io 3 2026-04-13 2026-09-13 nodata
auth-stage.payset.io 10 2026-05-11 2026-09-06 ok
www-stage.payset.io 3 2026-04-24 2026-08-26 ok
*.stage.payset.io 3 2026-04-13 2026-09-13 —
store.payset.io 1 2025-12-30 2025-12-30 ok
*.store.payset.io 1 2025-12-30 2025-12-30 —
auth.payset.io 6 2026-07-03 2026-09-01 ok
vhiivksj.payset.io 4 2026-06-05 2026-10-03 ok
track.payset.io 10 2026-05-27 2026-10-01 ok
prod.zap.payset.io 1 2025-12-27 2025-12-27 nodata
*.prod.zap.payset.io 1 2025-12-27 2025-12-27 —
test.zap.payset.io 2 2025-08-10 2026-07-11 nodata
*.test.zap.payset.io 2 2025-08-10 2026-07-11 —
dev.zap.payset.io 2 2025-07-27 2026-06-27 nodata
*.dev.zap.payset.io 2 2025-07-27 2026-06-27 —
help.payset.io 5 2026-05-20 2026-09-29 ok
gtm.app.payset.io 5 2026-05-02 2026-08-24 ok
affiliates.payset.io 5 2026-04-30 2026-08-27 ok
careers.payset.io 11 2026-04-18 2026-10-07 ok
mav.payset.io 5 2026-05-08 2026-09-05 ok
dev.payset.io 1 2025-11-25 2025-11-25 nodata
*.dev.payset.io 1 2025-11-25 2025-11-25 —
inv.payset.io 5 2026-04-22 2026-08-19 ok
www.payset.io 6 2026-05-06 2026-09-07 ok
apply.payset.io 2 2026-09-21 2026-09-21 ok

Programmatic access, with DNS A records: API GET /v1/hosts/payset.io (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/payset.io.