Several methods to interact with kerberos. The tool craft requests to kerberos and detect error types. Currently it handles "principal unknown" and "pre-auth required".
go_build_Barking_.exe -dc 192.168.56.106 -account user2 -domain test -netbios client1 [:]///[:] Principal Unknown
go_build_Barking_.exe -dc 192.168.56.106 -account user -domain test -netbios client1 [:]///[:] Pre-Auth required