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.

13 hosts · 293 ms

HostCertsFirst seenLast seenDNS
icash.ca 92 2026-04-10 2026-10-04 ok
*.icash.ca 14 2026-05-10 2026-09-05 —
instantloan-v2.icash.ca 8 2026-04-14 2026-08-11 nxdomain
beta.icash.ca 2 2026-05-11 2026-05-11 ok
instantloan-contract.beta.icash.ca 12 2026-04-10 2026-10-04 ok
brainscore.icash.ca 8 2026-05-17 2026-09-12 ok
email.icash.ca 5 2026-05-13 2026-09-10 ok
repayment-plan.icash.ca 5 2026-05-21 2026-09-23 ok
instantloan.icash.ca 16 2026-05-11 2026-09-06 ok
monorepo.icash.ca 5 2026-05-02 2026-09-03 ok
worker.icash.ca 20 2026-06-02 2026-09-28 nxdomain
instantloan-contract.icash.ca 10 2026-05-11 2026-09-06 ok
contest.icash.ca 5 2026-04-25 2026-08-22 ok

Programmatic access, with DNS A records: API GET /v1/hosts/icash.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/icash.ca.