Here's the instruction on how to change A Record in GoDaddy:
1. Go to the Zone File Editor for the domain name you want to update.
2. Click Add New Record (The Add DNS Record window displays).
3. From the Record type list, select A(Host). Complete the following fields:
* Host Name: Enter the host name the A Record links to. Type @ to point directly to your domain name (including www.)
* Points to IP Address: Enter the IP address 184.108.40.206
* TTL: leave the default setting
Example: Host Name: www.yourdomain.com
Point to: 220.127.116.11
4. Click OK
5. Click Save Zone File
6. Click OK. (The new A Record displays in the A (Host) section).
Or you can follow the steps below:
1. Login to godaddy.com
2. Go to domains > all domains
3. Click the down arrow of your domain and choose Manage DNS
4. Click Add Record and the Add Record Zone pop-up page will open (image below)
5. Choose A (Host) under Record Type
6. Enter your domain name under Host
7. Enter the IP Address - 18.104.22.168
8. Choose 1 hour for TTL
9. Click Finish button when done.
NOTE: Newly mapped domain takes at least 24 - 48 hours to propagate.
Check out how to do the domain mapping in Hostgator HERE.
After pointing your A Record to the IP address go to your site's domain mapping page and enter your own domain name and click "Map Domain" button.
From your site's dashboard go to Tools > Domain Mapping > click the down arrow to choose from "http://" or "https://" > in the field enter your domain name > click Map domain button.
Health status shows "Valid" when the domain mapping is successful.