about DNAME question

[MontyRee]

Hello, all.
 
Thanks for kind answering for DNAME.
I have additional questions for DNAME.
 
If I set like below, 
 
example.com.              IN DNAME        example2.com

IP addreess of example.com is 192.168.1.2 
 
 
1. if client resolver use bind 8 or below old version.
   What would be happen?
   Can recognize DNAME record well?
 
 
2. if I query example.com, it returns NXDOMAIN instead of 192.168.1.2.
   How to solve this problem?
 
 

Thanks in advance.
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