acl "internal" { 10.10.60.0/24; };

view "internal" {
  match-clients { "internal"; };
  recursion yes;
  zone "abc.com"	{ type slave; masters { 10.10.60.218; }; file "db-int.abc.com"; };
  zone "." in		{ type hint; file "db.cache";	};
};


view "external" {
  match-clients { any; };
  recursion yes;
  zone "abc.com"       { type slave; masters { 1.1.1.1.1; }; file "db-ext.abc.com";   };
  zone "."             { type hint; file "db.cache"; };
};