Follow the steps to connect your Godaddy domain with your SITE123 website:
Log in to your Godaddy account. Go to the domain you want to connect, click the three dots icon and select Manage DNS.
In the DNS Management panel, go to A record and click the pencil icon to edit.
Enter the following settings:
Host: @
Points to: 54.76.177.85
Back in the DNS Management panel, go to CNAME record and click the pencil icon to edit.
Enter the following settings:
Host: www
Points to: ssl.site123.com
If you want to use email accounts created with SITE123, click the ADD button and add MX records.
Enter the following settings:
1st record
Host: @
Points to: mailme.enter-system.com
Priority: 0
2nd record
Host: @
Points to: mailme.enter-system.com
Priority: 10
3rd record
Host: @
Points to: mailme-backup.enter-system.com
Priority: 20
Note: completing these steps will connect your domain with your SITE123 website and allow you to use SITE123 email accounts, however, the domain DNS management will remain with Godaddy.
To forward the domain DNS management to SITE123:
In the DNS Management panel, scroll to Nameservers and click Change.
Click Enter my own Nameservers.
Enter the following Nameservers:
ns1.enter-system.com
ns2.enter-system.com
Note: Nameservers change can take up to 72 hours to update.