How do I create a custom tracking domain?

TL;DR; You can track opens and clicks with your own custom tracking domain to improve deliverability.

All Mailshake users track links and opens using one of Mailshake's shared domains. We monitor these domains and block abusers, but you can take tracking into your own hands by setting up your own custom domain.

1. Click on "Team Setting" and then "Settings" in the sidebar

2. Create a sub-domain and set up a CNAME DNS record

In order for you to edit your domain's DNS (domain name service) records, you'll need some kind of administrator access. The process of editing DNS records is different from web host to web host, but the basic steps are this:

  1. Create a new DNS record (example:
  2. Choose CNAME as the type of record
  3. In the value textbox, enter

Here are a few general links we found for specific web hosts:

  • GoDaddy
  • BlueHost
  • Namecheap
  • Network Solutions
  • Google has this page that lists variety of providers (just remember to use instead of whatever they specify in their help pages).
  • Tip for Cloudflare: when setting up your CNAME record, set it to DNS proxy only (the default is set to http and DNS)

Here's an example of how your DNS settings might look:

3. Enter your domain in Mailshake and click "Verify"

We'll do a check of your DNS records and see if everything looks good. If this doesn't work right away, please note that it can take up to 72 hours before these kinds of changes get distributed around the Internet.

That's it! Future emails sent for your team will use this domain to track clicks and opens.

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