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 · 247 ms

HostCertsFirst seenLast seenDNS
raincode.tech 41 2026-04-11 2026-10-06 ok
*.raincode.tech 20 2026-04-11 2026-10-06 —
api-tracker-lambda.raincode.tech 3 2026-01-29 2026-03-26 nxdomain
bank-poc.raincode.tech 4 2025-06-18 2026-05-19 ok
kronan-employee.raincode.tech 1 2025-07-17 2025-07-17 ok
chief.raincode.tech 1 2026-09-30 2026-09-30 ok
api-tracker-stg.raincode.tech 4 2026-01-12 2026-08-26 nxdomain
rai.raincode.tech 2 2026-08-04 2026-09-29 ok
clerk.raincode.tech 6 2026-06-03 2026-06-03 ok
mail.raincode.tech 3 2026-04-22 2026-09-22 ok
dev-mail.raincode.tech 4 2026-04-16 2026-09-16 ok
payroll.raincode.tech 4 2026-04-30 2026-09-03 ok
situation-room.raincode.tech 3 2026-04-19 2026-09-19 ok
sroom.raincode.tech 2 2026-04-15 2026-09-15 ok
raincrm.raincode.tech 1 2026-09-08 2026-09-08 ok
atrium.raincode.tech 2 2026-09-23 2026-09-23 ok
*.atrium.raincode.tech 2 2026-09-23 2026-09-23 —
council-demo.raincode.tech 1 2026-09-30 2026-09-30 ok
tracker.raincode.tech 1 2025-11-25 2025-11-25 ok
api-tracker.raincode.tech 5 2025-11-26 2026-08-26 ok
api.tracker.raincode.tech 1 2025-11-25 2025-11-25 nxdomain
drops.raincode.tech 11 2026-02-01 2026-09-09 ok
4bt6u4q7uauz53iyj4fm3zcrb2p3jov.drops.raincode.tech 1 2026-02-01 2026-02-01 nodata
ai-agents.raincode.tech 2 2026-06-13 2026-06-13 ok
accounts.raincode.tech 8 2026-06-03 2026-06-03 ok
api-tracker-lambda-eu.raincode.tech 2 2026-03-26 2026-08-26 nxdomain
tracker-dev.raincode.tech 1 2025-10-26 2025-10-26 ok
api-tracker-dev.raincode.tech 4 2025-11-26 2026-08-26 ok
api.tracker-dev.raincode.tech 6 2025-11-24 2026-01-12 nxdomain
flow.raincode.tech 3 2025-10-15 2026-09-15 ok
www.raincode.tech 25 2026-05-22 2026-09-12 ok

Programmatic access, with DNS A records: API GET /v1/hosts/raincode.tech (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/raincode.tech.