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.

9 hosts · 276 ms

HostCertsFirst seenLast seenDNS
kimono.inc 16 2026-04-24 2026-09-28 ok
*.kimono.inc 6 2026-04-24 2026-08-20 —
secret-bridge816.kimono.inc 6 2026-08-16 2026-08-17 ok
secret-bridge.kimono.inc 4 2026-08-16 2026-08-17 ok
docs.kimono.inc 3 2026-06-06 2026-08-05 ok
protos.kimono.inc 6 2026-06-14 2026-08-23 ok
assets.kimono.inc 4 2026-06-29 2026-08-11 ok
prompts.kimono.inc 2 2026-06-11 2026-06-11 ok
www.kimono.inc 7 2026-06-02 2026-09-28 ok

Programmatic access, with DNS A records: API GET /v1/hosts/kimono.inc (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/kimono.inc.