[discuss] use extra separate fields to decide whether to use local DNS resolver

[YuanSheng Wang]

Hi

Here is the github PR[1]

what is your opinion about this?


[1]
https://github.com/apache/incubator-apisix/pull/1217#discussion_r397817423



-- 
*MembPhis*
My github: https://github.com/membphis
Apache APISIX: https://github.com/apache/incubator-apisix