Using 4.2.2.2 and 4.2.2.1 as forwarders - Windows Server Help

To illustrate, assume the firewall is configured to use DNS servers 4.2.2.1 and 4.2.2.2, and is providing these DNS servers to all firewalled client via DHCP. If firewalled client-A performs a DNS query against 4.2.2.1 or 4.2.2.2 for " secure.logmein.com ", the response will be examined by the firewall, and will be matched to the defined 15 Best Free DNS Servers To Faster Your Internet 2020 Dec 04, 2019 Public DNS | Google Developers

DNS plugins are used to provide local caching nameserver functionality (which speeds up DNS queries) and to push DNS data to applications that use it. So by setting dns=208.67.222.222 I may have, basically, prevented NetworkManager from using that plugin, which would otherwise used the local DNS server (which apparently doesn't work).

Cloudflare DNS. Cloudflare is one of the world’s topmost company working in the web performance … 4.2.2.2 and 4.2.2.1 Appear to be hosed at the moment

wiki.ipfire.org - List of Public DNS Servers

Mar 08, 2010 How DNS Works Aug 09, 2009