Mimizu

Follows a name down from the DNS root, asks every server on the way, and says where it stops, why, and what would fix it.

Name Record type

Try , or . A URL, an email address or an IP address works too.

Findings

Every server Mimizu asks was named by a delegation that started at the root. Each is asked directly, without recursion, over UDP and then TCP where needed, and nothing is cached between traces. Part of Mizu, the family's DNS server.