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How to change the DNS settings on a Netcomm 4G100W router

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Setup Router Staff
(Last Updated: ) | Reading Time: 4 minutes

This page shows how to change the DNS settings on the Netcomm 4G100W router.

Other Netcomm 4G100W Guides

This is the dns guide for the Netcomm 4G100W. We also have the following guides for the same router:

What is the DNS setting on a Router

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When you connect a router to the Internet it gets a few settings from your ISP automatically. One of the settings that the ISP sets in your router is the DNS setting. DNS stands for Domain Name System and it is used to convert Internet names into actual IP addresses. For instance, when you go to "google.com", your are really connecting to an IP address that is mapped through DNS to a number such as:

  • 173.194.33.73

This mapping happens automatically every time you visit any page on the Internet.

Why Change Your Router's DNS Setting

Some ISPs choose to abuse the DNS system and map unknown names to servers that they control. This can be done in a way that you don't know it is happening since your router is getting its DNS settings from your ISP. For instance, if you have one of these ISPs who is hijacking your DNS, and you try to surf the web to "some-random-site.com" and "some-random-site.com" does not exist, you might get a page back from your ISP with local advertisements on it.

By changing your DNS setting in your router you will effectively change the DNS setting for every computer on your network. This is because when a device is connected to your network your router automatically hands out its own DNS settings to that device. This way you can protect your entire network from ISP hijacking with just one setting.

What Should I Change My DNS To

There are 2 really great DNS servers on the Internet that you can choose from right now: Google Public DNS and OpenDNS. If you are not sure which one to pick then just use Google Public DNS.

When you change the DNS settings in your router, you usually have to enter a Primary and a Secondary setting. The secondary is only used if the primary can not be located. Here are common settings:

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If you want to use Google Public DNS, use the following settings:

  • Primary: 8.8.8.8
  • Secondary: 8.8.4.4

If you want to use OpenDNS, use the following settings:

  • 208.67.222.222
  • 208.67.220.220

Login To The Netcomm 4G100W

To get started configuring the Netcomm 4G100W DNS page you need to login to your router. If you are already logged in you can skip this step.

To login to the Netcomm 4G100W, follow our Netcomm 4G100W Login Guide.

Change the DNS settings on a Netcomm 4G100W

If you followed our login guide above then you should see this screen.

router wifi status
This is the wifi status page from your Netcomm 4G100W router.

You begin on the Home page of the NetComm 4G100W router. At the very bottom of the page click the option of Switch to Advanced View. Then click the link at the top of the page labeled Internet Settings. A new list of choices now appears, click LAN, then DHCP.

Configure the DNS section of your Netcomm 4G100W

router DHCP lan mac address binding internet settings
This is the dhcp page from your Netcomm 4G100W router.

You are now on a page labeled DHCP Configuration.

Look down this page until you see the box titled DNS Server 1 IP Address. Enter the primary address of the DNS Server you have decided to use here. Remember that the address you enter here is the one that is always used first.

In the box labeled DNS Server 2 IP Address, enter the secondary address of that DNS Server. The address in this box is the one that is only used when the first is inaccessible.

That is all there is to it, simply click the Save and you are finished.

Possible Problems when Changing your DNS settings

Most devices on your network will not begin using the new DNS settings until they have been rebooted. After rebooting a device you can go to it's network settings and verify that it is using the DNS servers that you specified.

Other Netcomm 4G100W Info

Don't forget about our other Netcomm 4G100W info that you might be interested in.

This is the dns guide for the Netcomm 4G100W. We also have the following guides for the same router: