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Dynamic Name Service - how to set up and use.
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Posted: 15 May, 2010
by: Vines M.
Updated: 15 May, 2010
by: Vines M.
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USING A DYNAMIC Domain Name Service (DNS)
A Dynamic DNS Service (http://en.wikipedia.org/wiki/Dynamic_DNS) is used when your Internet Service Provider (ISP) does not provide you with a fixed IP address. Typically business class internet service has a fixed IP address whereas most home users will not have a fixed IP address. Also if your computer is not always in a fixed location (e.g. a laptop computer), and it needs to be accessed over the internet then a DNS service is for you.
Usage of a DNS provider can overcome the problem of a server assigned IP address on the internet. This is because the DNS service provides you with a IP name. This IP name, when used within a network or network connection references the DNS service for you current IP address. You would however need to keep your IP address at the DNS service up to date. You can get applications that check that your DNS service is up to date with your current Internet IP address and most routers and modem routers provide this functionality somewhere within the router’s set up pages.
Using DYNDNS.com as a Dynamic DNS service
 DynDNS.com can provide you with a free Dynamic DNS Account. This is a service to track your dynamic IP address.
Joining DynDNS
  1. Visit the DynDNS.com website at http://www.dyndns.com
  2. Click on the Services and Pricing item at the top menu.
  3. Select the Dynamic DNS item under the Domain Services section
  4. Click on Dynamic DNS Free
  5. Click on Get Started at the top right
  6. Enter a host name that you wish to use for your dns access.
    Type in a username that is easy to remember and then select the extension from the drop down list e.g. dyndns.org
    your dns or hostname will then be username.dyndns.org and this will now simulate your new internet IP address.
  7. Create your account by completing the information requested during the checkout procedure.
  8. You may be sent an email requesting you to activate your account at completion.
Keep this website listed in your Bookmarks or Favorites so that you can visit it each time you change IP address. Simply log in using your chosen username and password and click on the link to update your IP address to the website accordingly.
Sample router configuration for DNSIf your computer is behind a router then it is a good idea to get your router to keep your Dynamic DNS IP address up to date.
  1. Log into your router.
  2. Select the Dynamic DNS option in the Advanced section
  3. Place a tick to select Use a Dynamic DNS Service and enter the details accordingly – see image.
  4. Click the Apply button below.
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