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2. Cloudns: a very good reputation, and a "small crowd" of a DNS, in Britain, the United States, Germany, Bulgaria are distributed in nodes, but it seems that several nodes are used to build Linode's VPS, although Linode has always been famous for its stability. Registration address: https://www.cloudns.net/
3. Zerigo: not a good reputation for the purpose of service to China, DNS, in the Anglo American distribution of nodes, Chinese IP can not be registered, used after the use of VPN. But the sad thing is that its free DNS service is only given a quota of "three /50000 queries per month", and a little bit of traffic can't be held until a long failure time is set. Registration address: https://www.zerigo.com/signup/dns
4. Sitelutions: there are 5 DNS service nodes distributed throughout the United States, support dynamic domain name resolution, and support URL forwarding (no validation is blocked by fences), and the interest can be tried. Registration address: https://www.sitelutions.com/info/sldns
5. Zonomi: there is a node in Britain and America, and a free account can get a quota of 1 million queries a month. Registration address: https://zonomi.com/app/cp/register.jsp
6. GeoScaling: a very powerful free intelligent DNS that supports up to 20 parsing types and supports "Smart Subdomains" features, which can be distinguished by operator /as number, country, city, latitude and longitude (to express a small reservation for its accuracy) Attitude, and assign it to different servers, artifact! Registered address: http://www.geoscaling.com/dns2/? Module=register
7. Appnor: there are DNS nodes in Britain, the US and Romania respectively. Registration address: http://freedns.appnor.com/register
below the introduction of two free DNS (Secondary DNS Service) and only auxiliary DNS. For insurance, it is necessary to make an auxiliary DNS:
8. Buddyns: Ice, "free account can get millions of queries. Registered address: http://www.buddyns.com/activate/
9. PUCK: from the point of view of the introduction, the Chinese rule is very close, even the pages are very "ordinary". Registered address: https://puck.nether.net/dns/login/add