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Original file line number Diff line number Diff line change
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---
st:
published_at: 2016-06-10
type: Classroom
seo:
title: Click tracking links have stopped working.
description: Click tracking links have stopped working.
Expand Down Expand Up @@ -29,15 +32,14 @@ If your account is Pro 100K or higher, and you have completed the [Whitelabel](h

This record not only allows for your click tracked links to appear to be directly from your domain, but also allows users to properly redirect back to Sendgrid before going on to their final destination. This redirect allows us to track clicks and increment them in your account statistics. If this record is entered incorrectly or deleted in your DNS host, it can potentially break links within your emails.

To check if your CNAME record is up to date, simply use the Unix command DIG to check your whitelabel subdomain. The easiest way to go about this is to use Terminal on a Mac platform.
To check if your CNAME record is up to date, simply use the Unix command **dig** to check your whitelabel subdomain. The easiest way to go about this is to use Terminal on a Mac platform.

The command should look like: **dig cname sub.domain.tld,** where "sub.domain.tld" will be the subdomain and top level domain you used in [step 2](https://sendgrid.com/whitelabel/wizard/page/2) of the Whitelabel Wizard, usually _email.yourdomain.com_, or _em.yourdomain.com_.
The command should look like: **dig cname sub.domain.tld,** where "sub.domain.tld" will be the subdomain and top level domain you used in the validation step of the Whitelabel Wizard, usually _email.yourdomain.com_, or _em.yourdomain.com_.

![]({{root_url}}/images/terminaldigcname.png)

If this is set up correctly, you should see **sendgrid.net** in the _answer_ section. If you do not see that, please contact your IT staff, hosting provider, or whomever controls your domain's DNS settings to see if the record has been published correctly.



If you are not on a Mac, you can also use the [CNAMELookup](http://mxtoolbox.com/CNAMELookup.aspx) tool provided by MxToolbox, simply enter your whitelabel subdomain, and hit enter. As above, your subdomain should be pointed to the canonical name _sendgrid.net._

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