Adding Fastmail nameservers to Namecheap

Setting your nameservers to work with Fastmail is an easy way to make sure your domain has all the correct DNS entries and your mail will work correctly.

This is the best option if you do not have a website for your domain hosted with another service, or you would like to host both your mail and a website with Fastmail.

We provide a control panel for full customization of your DNS records should you need it. Our nameservers are fast, reliable, and secure. Our web interface for managing DNS is simple, but still powerful enough to allow any number of records of any type.

There are just two simple steps to set up your domain:

  1. Add your domain
  2. Edit your nameservers in Namecheap

1. Add your domain

We have a setup guide to help you get your domain working as quickly and easily as possible.

After you have purchased your domain from Namecheap, log in to Fastmail and go to the Settings → Domains screen.

Add your domain(s) (e.g. Using the Add Domain button brings up the new domain screen. Type your domain into the text box.

If your domain has been purchased from Namecheap, we will display this on the next screen. You can also choose Namecheap from our list of supported registrars.

Follow the wizard to add your email addresses to Fastmail. To have the wizard provide you with steps to update your nameserver records by default, choose No when you are asked if you have a website.

Please note: If you are on a legacy plan, the domain setup wizard can only set up email addresses, not users. You will need to add users manually in order to create additional user accounts at your custom domain.


2. Edit your nameservers at Namecheap

Note: We recommend making these changes at a time that you do not expect much traffic for your website or email.

1. Log in to your account at Namecheap.

2. Find the domain you would like to use with Fastmail, and click Manage.

The Manage button at Namecheap

3. Find the Nameservers section and change the drop down menu to Custom DNS.

The blank Namecheap nameserver fields

4. In the Nameserver 1 and Nameserver 2 fields, enter these two values:


Then click the green tick to save the changes.

When you are finished, your nameservers should look like this:

Fastmail's nameservers added to the Namecheap interface

To check that the settings have been updated correctly, log in to your Fastmail account and go to the Settings → Domains screen. Click Recheck DNS. Your domain should now say Active. Nameservers set.

For advanced domain options when using Fastmail's nameserver records, please see our Setting up your domain: NS/MX help page.

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