If you are a BSNL broadband user, chances are that you are facing frequent DNS issues. Their DNS servers are just unresponsive. The look up takes a long duration and many times just time out. The solution? There is small hack on BSNL for this. Use third party DNS servers instead of BSNL DNS servers or run your own one like djbdns. The easiest options is to use OpenDNS. Just reconfigure your network to use the following DNS servers:
Detailed instructions specific to operating system or your BSNL modem are available in the OpenDNS website itself. After I reconfigured my BSNL modem to use the above 2 IP addresses, my DNS problems just vanished! Other ‘freebies’ that come with OpenDNS are phishing filters and automatic URL correction. Even if your service provider’s DNS servers are working fine, you can still use OpenDNS just for these two special features. After you hack BSNL DNS servers, you will see a noticeable improvement in your broadband speed.