Updating your record
Below is a sample key for a DKIM TXT record that exceeds 255 character and instructions for adding it.
You will then be presented with your establishment’s record.To perform a DNS lookup to ensure you've entered the record correctly, you can use the dig command to look it up: Before you make any other type of DNS change, it's a good idea to consider whether you will need to lower your TTL.For more information and detailed instructions, please see: How can I lower or raise the TTL for my domain?These instructions reside in a file on the server that administers the site. Read below on how to lower your TTL value for a smooth transition.This article explains how to edit your zone file hosted on the (mt) Media Temple nameservers, NS1. NOTE: Any changes to your DNS zone file will need to propagate across the Internet.
A records are commonly used to point to a hosting account, or to create a subdomain.