You must have come across a situation where you are not able to open a website at your PC but your friend at other side of globe or a person who is using different ISP could visit the website without any issue.
This is mainly happening due to DNS related issue. Now what is DNS ?
Technically : “ The Domain Name System [DNS] is a distributed database, arranged hierarchically, containing records for domain names. The DNS system’s main aim is to match a domain name to an IP Address. In order to fulfill this role, the DNS Server contains Records [called Resource Records] in a Zone File, which contains the domain name and IP address mappings for computers contained within that Zone. All Resource Records have a TTL [Time To Live], specifying the number of seconds other DNS servers and applications are allowed to cache the Record.
In LayMan Terms : It’s a BIG library which keep a record of Domain Name and IP assigned to it. Still confuse ?? Read this >>
Now you can use Google Public DNS service (which is off-curse FREE) to avoid DNS related issue above you also increase website loading time using this service.
Excited ?? now it’s time to start using this service.
Download Google DNS Helper is a small utility coded in .NET using C#. It backs up your current DNS server address and then changes it to Google’s DNS. You can restore your old DNS anytime you want. As simple as that! You can find the download link below.
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Shashi Kant Pandidhar,
CEO - Of Abitindia Group and Founder of www.netspaceindia.com which is Indias fastest growing WebHosting company.
The concept, Behind This blog is to share his knowledge and play a key role to the community in the field of IT and related services by sharing the day to day experience in this area.
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