zone change notification Response: Not implemented

[AL RSM]

Hi,

 

Our master DNS server sends  a "zone change notification" message to serveral slaves for a zone change. All slaves but one responded with no error. 

The faulty slave responded with: "Reply code: Not implemented (4)"

Slave servers are listining on port 53 for DNS notify.

 

==================================

Master Config:

options {
   notify explicit;
   also-notify {
      XX.XX.XX.XX port 53; 
      XX.XX.XX.XX port 53; 
      XX.XX.XX.XX port 53; 
   };

   ...

}

==================================

Slave config:

acl "MASTER" {
    XX.XX.XX.XX;
};

 

options {

    notify explicit;
    allow-notify { "MASTER"; };

    ...

}

==================================

 

 

Any assistance would be appreciated.

 

Thanks,

 

AL 

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