function in DNS to provide an answer depending on the source of query.

[Harshith Mulky]

Hello,

Is there a possibility to achieve this from a DNS

If Carrier A (source IP: A.A.A.A) sends NAPTR query X to DNS, then DNS replies NAPTR response Y.


If Carrier B (source IP: B.B.B.B) sends NAPTR query X to DNS, then DNS replies NAPTR response Z.


is there any function in DNS to provide an answer depending on the source of query?


Thanks


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