Friday, June 15, 2012

OpenDNS

astest DNS Resolution in India – Airtel Vs OpenDNS Vs Google DNS

I decided to do some analysis on the DNS resolution. I am an Airtel broadband user and wanted to know how fast or efficient are the Bharti’s DNS servers in comparison to the much popular public DNS services like – OpenDNS (veteran) and Google DNS (new contender).
I was using OpenDNS before switching to Google DNS and now I am back with Airtel. Reason? Simply put, our very own Bharti’s servers resolve DNS at around 27 times faster  than Open DNS while are around 9 times faster than Google DNS.
Here are some statistics using the ping command.

Airtel DNS Resolution ping Statistics

DNS Servers : 202.56.215.54 , 202.56.215.55

Airtel DNS Servers
Airtel DNS Server Statistics

Open DNS Resolution ping Statistics

DNS Servers : 208.67.222.222 , 208.67.220.220

OpenDNS DNS Resolution
OpenDNS Server Statistics

Google DNS Resolution ping statistics

DNS Servers : 8.8.4.4 , 8.8.8.8


Conclusion

DNS Server Resolution Speeds - Comparision
DNS Server Comparision - Chart
So, it is safe to assume that for all Airtel users in India, the best DNS servers to use are the ones provided by Airtel only. I am not too sure about how well do the ones by MTNL or BSNL fair in this regard but for all those who use Airtel Broadband in India. The following servers are the best bet :
  • 202.56.215.54
  • 202.56.215.55

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