The most basic task of DNS is to translate hostnames such as theos.in to IP address such as 18.104.22.168. In very simple terms, it can be compared to a phone book. DNS also has other important use such as email routing.
This is my list of better, fastpublic dns serversand free dns server (as compare to your ISP / DSL / ADSL / cable DNS service providers dns servers). These dns servers are free to all. I was able to improve my browsing speed with following DNS servers. Use any one of the following provider.
Free Public DNS Server
=> Service provider:Google Google public dns server IP address:
=> Service provider:Dnsadvantage Dnsadvantage free dns server list:
=> Service provider:OpenDNS OpenDNS free dns server list / IP address:
=> Service provider:Norton Norton free dns server list / IP address:
=> Service provider:GTEI DNS (now Verizon) Public Name server IP address:
=> Service provider:ScrubIt Public dns server address:
How do I change or setup DNS server IP address?
Visit below mentioned site to setup DNS as per your operating system: