AliDNS

http://www.alidns.com/

IPv4 DNS Server:

223.5.5.5

223.6.6.6

AliDNS is the Alibaba Group launched a DNS recursive resolution system, the goal is to become part of the domestic Internet infrastructure, for Internet users to provide "fast", "stable", "smart" free DNS recursive resolution services. See more in the AliDNS FAQ.