DNSLint Free Microsoft Windows Version 1.0 Full Specs Download Now Secure Download Publisher's Description From Microsoft: DNSLint has three functions that verify Domain Name System (DNS) records and generate an HTML report. The three functions are: dnslint /d: This diagnoses potential causes of "lame delegation" and other related DNS problems. dnslint /ql: This verifies a user-defined set of DNS records on multiple DNS servers. dnslint /ad: This verifies DNS records specifically used for Active Directory replication. What do you need to know about free software?