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When entering IPv4, use dotted decimal format, that is, three groups of numbers separated by a decimal point. An example would be Press Return when done. Do not enter more than one DNS address per line. The search domain pane in the DNS settings is used for auto-completing hostnames used in Safari and other network services. As an example, if your home network was configured with the domain name of example. If you added example.

Search Domains are added, removed, and organized using the same method as DNS entries discussed above. Once you have finished making your edits, click the OK button. This action closes the Advanced Network sheet and returns you to the main Network Preference pane.

Your new DNS settings are ready to be used. Remember, the settings you changed only affect your Mac. If you need to alter DNS settings for all the devices on your network, you should consider making the changes at your network router.

How (and Why) to Change Your DNS Server

You may also wish to test the performance of your new DNS provider. Share Pin Email. Tom Nelson has written hundreds of articles, tutorials, and reviews for Other World Computing and About.


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He is the president of Coyote Moon, Inc. IP addresses are usually assigned by your ISP Internet Service Provider , although you are usually under no constraints to use the assigned name servers. In actuality, there is no hard and fast rule about which is faster. You'll need an administrator password to make changes to the Network settings on your Mac. If your user account is the only user account on your Mac, then it is also the administrator account.

Click the Advanced button.

How to Change Your Mac's DNS Settings

The Advanced Network sheet will display. To add more DNS addresses, repeat the above process. Highlight the DNS address you wish to remove. Click the - minus sign in the bottom left-hand corner. Repeat for each additional DNS address you wish to remove.

I do a lot of development, and pretty much run everything locally using Vagrant. The most basic solution that is available is to edit your computers local hosts file. DNS will respect any changes in this file above remote addresses. You can use this to add custom domains each pointing to Don't change the default entries, but you can add as many additional items as you want.

Slow Internet? Edit your DNS settings | Macworld

Add each entry on a new row you can use comma separated lists, but I prefer one per row for clarity in the format. Then save the file.

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Now if you try to reach that domain, it will resolve to localhost and you can use it in your app. The downside to this approach is that you need to edit the hosts file for each domain you want to use, including every subdomain you might want. You can't add wildcard domains to the hosts file. Another approach that I've seen and tried is to have a real DNS server point at You can even set up a wildcard DNS record so that all subdomains for a given domain, point to the same IP address and resolve. This will allow you to use your own domain for development.

How to Change Your Mac's DNS Servers

The big downside to this is that you have to be online for it to work. If you are working off-line for any reason, no DNS. This is my preferred solution. Run a local domain name server on your computer that can resolve all requests for a given top level domain to the localhost, and forward everything else to the Internet as normal.