DNS is a naming system for computers, services, or any other kind of resources that are connected to Internet or other networks. The main purpose of DNS is that it translates the domain name into numeric identifiers associated with networking equipment, so that we can locate and address these devices worldwide. It serves the Internet by translating human-friendly computer hostnames into IP addresses. For example, www.example.com translates to 192.0.32.10. We have select a few popular free DNS service providers below.

Google Public DNS
Google Public DNS is a free, global Domain Name System (DNS) resolution service, that you can use as an alternative to your current DNS provider.
8.8.8.8
8.8.4.4

OpenDNS
OpenDNS is one of the world’s leading providers of Internet navigation and security. Open DNS makes networks in homes, schools and businesses safer, faster, smarter and more reliable through Web content filtering, security and navigation.
208.67.222.222
208.67.220.220

DNS Advantage
DNS Advantage provides a free, safer, faster, and More reliable Internet experience by resolving all your DNS requests through the UltraDNS Directory Services Platform.
156.154.70.1
156.154.71.1

ScrubIt
ScrubIT is a FREE recursive DNS server that regulates what comes into your home or business. ScrubIT offers clean, reliable, and speedy DNS service FREE of charge. It filters the DNS scrubs out the bad stuff and is absolutely simple to setup and use.
67.138.54.100
207.225.209.66

DNS Exit
Offer free dynamic DNS and static DNS to any top level domains. DNS supports Dynamic IP that allow you to run websites, ftp, or mail servers or Cable Modem lines with dynamic IP.

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