DNS server architecture

Question

Current we are using active directory integrated dns and all dns internal zone in ADDNS. and have two server DNS server using to forwarder to internet . Client -&gt; AD DNS -&gt; DNS Forwarder -&gt; Google DNS.With topology current we some problem when have some client problem then it query more to DNS server to resolve domain internet that do server dns hang , slow response. Please suggest help me how to prevent this and suggest some solution about DNS to can for large request.

harm_veenstra · Answer

Operating System, 2012R2/2016/2019/2022? Patches up to date?

thanhtien19 · Answer

Current OS is 2012R2 and alway up to date

harm_veenstra · Answer

How many clients, do they all use the same DNS server as primary?

thanhtien19 · Answer

Current all client (12000 client and 500 server) point to primary is first server , secondary second dns. but current all the same primary dns IP

harm_veenstra · Answer

You could change your DHCP settings so that half of the scopes configure the second server as primary? (Load-Balance)

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DNS server architecture

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