Friday, March 25, 2011

First DNS Post

This is my first of many posts dedicated to DNS or the Domain Naming System. I have always been fascinated with how this interesting system works, delegating responsibility of particular domains to certain administrators and certain servers.

The beauty of this system is that its so great that most end users have little to no knowledge of the intricacies of this system as it just works.

One thing that people who register a new domain, or migrate a domain from one host to another might deal with the idea of propagation. This is basically the time it takes for information about the domain to update all over the internet and get back in sync. This can vary from nearly instant to 24 / 48 hours or even 72 hours in some rare cases depending on which DNS server you are connected to.

One resource that really helps in this situation is the toolbox offered by DNSstuff.com I would really recommend checking them out if  you deal with domains or need to test if the domain has been configured correctly.

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