DNS: Short for Domain Name System (or Service or Server), an Internet service that translates domain names into IP addresses. The Internet is really based on IP addresses, so every time you use a domain name, a DNS service must translate the name into the corresponding IP address. For example, the domain name www.powersolution.com used to translate to 216.251.43.xx (last to digits withheld for this article) until we migrated the domain to a new server.
The DNS system is, in fact, its own network. If one DNS server doesn’t know how to translate a particular domain name, it queries another one, and so on. It does so until the correct IP address is returned.
In most simplest terms, DNS record is a way for the internet browser to identify the location where you website is hosted. This information is needed for tasks such as getting the files for your website and to send an email addressed to you.
What does DNS means to you?
When you register the domain name, you must “let the internet know” where you host your domain. So your IT rep will ask you for the DNS records, to set it up with Registrar (if you host outside of your Registrar’s hosting pool, with a 3-rd party, such as powersolution.com, for example). Basically what you need to know is that your IT rep should be able to provide you with this information.