how Kerberos with bind ?

[Chandrashekhar Kulkarni]

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hi ,

i having domain server QBIND.COM <http://qbind.com/> (
10.10.50.115<http://10.10.50.115/>master DNS i also
configure in master 3 different subdomain [ shekhar , venkat ,
callibar] ).And Shekhar.qbind.com <http://shekhar.qbind.com/>
(10.10.50.117<http://10.10.50.117/>Slave DNS) how i can
authenticate dns using kerberos. how can implement for my network ?