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 · 264 ms

HostCertsFirst seenLast seenDNS
legendairymilk.com 11 2026-05-15 2026-09-25 ok
trk.send.legendairymilk.com 6 2026-05-04 2026-08-31 ok
shop.legendairymilk.com 1 2025-12-02 2025-12-02 ok
influencer.legendairymilk.com 5 2026-04-23 2026-08-26 ok
forms.legendairymilk.com 8 2026-04-15 2026-08-11 ok
get.legendairymilk.com 2 2026-08-19 2026-08-19 ok
www.legendairymilk.com 15 2026-05-16 2026-09-24 ok
cnmdx.legendairymilk.com 10 2026-05-12 2026-09-07 ok
privacy.legendairymilk.com 5 2026-05-15 2026-09-16 ok

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