Return A record in respond to a query for a NS record

Hello,

 

I'm really a beginner in the F5 world and I saw the following implementation:

 

• A first public DNS record (myconnection.example.com), type NS, pointing on the first F5
• A second public DNS record (myconnection.example.com), type NS, pointing on the second F5

When I query this record, I received a A record (based on my location)?

 

I'm trying to re-create it into my lab, but I'm stucked.

 

Have you got any idea how it could be implemented?

 

Thanks a lot for your help.

 

Greg.