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.

19 hosts · 346 ms

HostCertsFirst seenLast seenDNS
kaigojob.com 3 2025-07-24 2026-06-24 ok
*.kaigojob.com 6 2025-09-29 2026-09-03 —
festa.kaigojob.com 2 2025-09-18 2026-08-18 ok
sandbox999.festa.kaigojob.com 3 2026-09-03 2026-09-23 nxdomain
*.edge.kaigojob.com 2 2025-10-05 2026-09-04 —
staging.kaigojob.com 10 2026-05-29 2026-09-25 ok
assets-staging.kaigojob.com 11 2026-05-30 2026-09-26 ok
www-origin.kaigojob.com 1 2026-01-14 2026-01-14 ok
info.kaigojob.com 9 2026-04-21 2026-09-18 ok
shinro.kaigojob.com 2 2026-04-03 2026-09-03 nodata
business.kaigojob.com 6 2025-08-12 2026-07-15 nodata
lps-business.kaigojob.com 14 2026-06-03 2026-09-29 ok
www.lps-business.kaigojob.com 12 2026-06-03 2026-09-30 ok
*.business.kaigojob.com 6 2025-08-12 2026-07-15 —
www.business.kaigojob.com 12 2026-05-09 2026-09-05 ok
assets.kaigojob.com 13 2026-05-31 2026-09-27 ok
linkbot.kaigojob.com 1 2025-11-11 2025-11-11 ok
kw.kaigojob.com 2 2025-07-18 2026-06-18 ok
www.kaigojob.com 14 2025-11-13 2026-09-29 ok

Programmatic access, with DNS A records: API GET /v1/hosts/kaigojob.com (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/kaigojob.com.