114DNS 114.114.114.114,114.114.115.115
Ali DNS 223.5.5.5, 223.6.6.6
Baidu DNS 180.76.76.76
Google DNS 8.8.8.8, 8.8.4.4
OpenDNS 208.67.220.220,208.67.222.2
I personally tested it, and Ali is the .
Primary DNS uses 223.5.5.5
Alternate use 8.8.8.8