Responding to the thread in general, not any particular person. For those of you with a firewall in front of your DNS servers, what are you having the firewall do? ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com ----- Original Message ----- From: "DurgaPrasad - DatasoftComnet via NANOG" <nanog@lists.nanog.org> To: nanog@lists.nanog.org Cc: "DurgaPrasad - DatasoftComnet" <dp@datasoftcomnet.com> Sent: Thursday, August 7, 2025 7:44:40 PM Subject: Recommended DNS server for a medium 20-30k users isp Hello all, Do you have any recommendations for recursive DNS servers for a medium sized (20-30k users) ISP. We have used powerdns and unbound but sometimes find the caching times a bit on upper side. Any suggestions between these two or anything new? Also need points on how much we tune the settings pros and cons if any. Thank you /DP _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/nanog@lists.nanog.org/message/SUTKDISS...