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how to implement edns client tagoption code

ph flag

I've been searching for edns and found these documents. They mention something called client tag and server tag. Is there any way I can implent those tags? Here is my use case: Our product teams have some services that want to query mydomain.com from public dns services. I mean, they want to reach our public IP address. Since all of their worker nodes are placed in the same network subnet, I cant use views. If I didn't misunderstand the documents below, edns has the capability of passing some keywords that are meaningless for the protocol, in that case it would be very useful for me. Otherwise I will have to spin up a recursive dns server and tell them to use the new dns server.

https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml

https://www.ietf.org/archive/id/draft-bellis-dnsop-edns-tags-01.txt

mangohost

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