If the nameserver information for your domain is currently set to Park with Rebel, Forward Domain or Host with Rebel, you will be able to access the Advanced DNS from within your Rebel account by following these steps:

Step 1.
Log in to your Rebel account, select "Products" on the left-hand side. In the top toolbar, you will see "Domains". Please select this. 

 

Step 2.

Here you will see a list of your registered domains. For the domain you’d like to access DNS settings for, select “Manage” on the right-hand side.

Step 3.

In the upper left side, you will see the three words "Contacts", "DNS" and "Domain Options". Select the "DNS" tab.

Step 4. 

Scroll down to "Manage Advanced DNS Records" and click on "Advanced DNS Manager" on the right-hand side.

There, you will be able to see all of your DNS settings:

How to add common DNS records: 

• How to add an A record 
• How to add a CNAME record 
• How to add an MX record 
• How to add a TXT record