<html><head></head><body><div class="yahoo-style-wrap" style="font-family:lucida console, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">Hello,</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">How do we minimize answers-slow, We are running on <span>CentOS Linux release 7.9.2009 (Core)</span></div><div dir="ltr" data-setdir="false">on VM with 4VCPUs and 16GB RAM. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><div><div>rec_control get-all | grep answer</div><div><b>answers-slow 80903</b></div><div>answers0-1 598471</div><div>answers1-10 1057756</div><div>answers10-100 2342082</div><div>answers100-1000 1341675</div><div>auth4-answers-slow 119250</div><div>auth4-answers0-1 61649</div><div>auth4-answers1-10 1423348</div><div>auth4-answers10-100 3095598</div><div>auth4-answers100-1000 1515725</div><div>auth6-answers-slow 0</div><div>auth6-answers0-1 0</div><div>auth6-answers1-10 0</div><div>auth6-answers10-100 0</div><div>auth6-answers100-1000 0</div><div>noerror-answers 16875858</div><div>nxdomain-answers 2726842</div><div><b>servfail-answers 1780021</b></div></div><div><b><br></b></div><div dir="ltr" data-setdir="false"><b>Are there any parameters that needs to enabled in recursor.conf so that the performance of DNS queries can be further improved.</b></div><div><b><br></b></div><div dir="ltr" data-setdir="false"><b>Best Regards,</b></div><div dir="ltr" data-setdir="false"><b><br></b></div><div dir="ltr" data-setdir="false"><b>Kiran</b></div><br></div></div></body></html>