DNS Advantage was built on and is delivered by the UltraDNS Directory Services Platform, one of the world’s largest proprietary non-BIND DNS networks. Providing integral Authoritative DNS services at the root, for top-level domain (TLD) registries, and for second-level domain (SLD) registrants, Neustar has thousands of enterprise, service provider, and core DNS infrastructure customers. The UltraDNS Directory Services Platform is responsible for powering the resolution of over 20 million domains around the world, and is actively involved at every level of the DNS hierarchy.
address:http://www.dnsadvantage.com/index.html

ScrubIT offers clean, reliable, and speedy DNS service FREE of charge. Our filtered DNS scrubs out the bad stuff and is absolutely simple to setup and use. Try it today!
ScrubIT is a FREE recursive DNS server that regulates what comes into your home or business. ScrubIT “scrubs” the internet so you don’t have to be concerned about what your family members or employees will be confronted with.
We currently profile several million websites and by default block out any pornographic, phishing, and many other potentially harmful sites. Users who wish to customize which sites are blocked and allowed may sign up for our BETA and customize their ScrubIT experience.
address:http://www.scrubit.com/

GoDaddy is the world’s very well-known domain name registrars also offer web hosting (Hosting), e-mail (Email), SSL Certificates, etc. services. Regardless of your domain name is not registered in GoDaddy, GoDaddy can be used to provide free domain name server (Free DNS). Registered as just a step through GoDaddy free membership, you can let your domain name to use GoDaddy’s DNS resolution service it! Free Net from China
In addition to setting up DNS can remove their worries, but also the powerful can use GoDaddy DNS resolution services, including A records, CNAME alias record, MX record messages, TXT records, SRV records, AAAA and NS record, but can also import / Export the existing domain name configuration, quite easy to use.
Address: http://www.godaddy.com/

SystemInPlace IDC is a U.S. site to provide free domain name resolution services, support A records, NS records, MX records, CNAME records. Powerful, easy to use.

Website: http://dns.systeminplace.net

If the DNS server problems due to your Internet instability (such as: web page can not be opened, but can also refresh a) try OpenDNS. DNS servers and OpenDNS has generally not available in a variety of functions, like a friend to try new products and do not miss it! Another unit of local area network can also use OpenDNS, some function is very useful!
Faster: OpenDNS has more cache, you can make DNS queries faster (but the servers are in Europe and the United States, domestic users do not feel any effect);
More secure: OpenDNS shield a lot of phishing sites and porn sites (found in similar sites have not been screened can also be submitted to OpenDNS), prevents you from security threats, but OpenDNS has more than one super-server, the probability of instability low;
Smarter: OpenDNS can automatically correct the wrong URL (such as: sina.com lose as sina.con), also can set the shortcut (eg: set www.supfree.com shortcut name for free, free to enter in the browser to access www.miss88.com a).
Statistical functions: Registered users can use. Internet users in the fixed IP network can be added directly, ADSL dynamic IP and other Internet users need to download the client to use statistical functions. Can request statistical domain, IP request, the total request, request type, domain names and other shielding.
Personality features: upload personal LOGO, there was shielded page, entry page will display your LOGO, very suitable for local area networks to use the function units.
Set DNS server to: 208.67.222.222 and 208.67.220.220 these two IP addresses on the line, for different Internet devices, the page in detail and presentation, according operation can be very simple.
Free DNS server address: https://www.opendns.com/

EveryDNS the United States, a free DNS resolution service to provide domain name website, has been insisting since 2001 to provide a stable free service. Can be set to 20 domain names, 200 resolution records. EveryDNS does not provide free secondary domain name, it also shielded the probability of its being a small country a lot, domestic customers can be assured that use.
After successful registration login management panel member, “Add new domain” add domain name, optional, or advanced services basic services, basic services can be set to A, CNAME, NS, MX, AAAA records and Axfr management; advanced services can be set to dynamic analysis IP (need to download a Perl program running on your computer) or domain forwarding.
Add the domain name, the DNS server of your domain name is set to: ns1.everydns.net, ns2.everydns.net, ns3.everydns.net, ns4.everydns.net. If your domain name can only be set up less than 4 DNS servers, DNS servers behind the proposal to add.
[Free domain DNS resolve address]: http://www.everydns.net/