All domain registrars use different wording or processes to accomplish the editing of your DNS. The guide below is an overview of the process. Please refer to your domain registrar's help manual for more detailed instructions.
Here are links to the help files for accessing or changing your A records with a few of the major domain registrars:
Note: If you get an error like the error below when you go to visit one of your domains, you will need to double check to make sure you have the domain name correct in the Domain Name list.