TXT is a DNS record, containing information in human-readable form for external sources to gain information about a certain domain name or subdomain. In the most common scenario, this type of record is employed to prove that you own a domain name if you're trying to add it to an online search engine or to some site traffic analytics platform. Since only the domain address owner/administrator can add custom DNS records, the TXT record functions as a proof of ownership for the firm supplying the service. Another popular use for this kind of records is the email SPF (Sender Policy Framework) security, which helps to ensure that a particular email address isn’t spoofed and that people will not get junk e-mail from allegedly your mailbox. The TXT record contains information about the mail server where your electronic messages come from and serves as validation that it's a reliable one. As there are no regulations concerning the content of this kind of a record, you could add any other information as well.