alternate dns - SERP Analysis

https://alternate-dns.com/

https://www.recordedfuture.com/threat-intelligence-101/cyber-threat-landscape/dns-servers

https://www.reddit.com/r/pihole/comments/12rw8h6/question_on_using_alternate_dns_on_my_router/

https://answers.microsoft.com/en-us/windows/forum/all/network-settings-alternate-dns-windows-10-1903/2b3f0be1-6130-4c3b-a15d-2513a265d415

https://superuser.com/questions/1722323/is-it-ok-to-use-mixed-dns-servers-e-g-google-as-primary-and-quad9-as-alternat

https://community.spiceworks.com/t/alternate-dns-address/775187

https://developers.google.com/speed/public-dns

https://quad9.net/

https://www.epicgames.com/help/en-US/c-Category_TechnicalSupport/c-TechnicalSupport_GeneralSupport/how-do-i-switch-to-a-public-dns-to-strengthen-my-connection-a000084349