TXT is a DNS record, that contains data in human-readable form for external sources to gain information about a certain Internet domain or subdomain. In the most common scenario, such a record is employed to prove that you own a domain name in case you're trying to add it to an online search engine or to some site traffic analytics platform. Considering that just the domain name owner/administrator is able to add custom DNS records, the TXT record serves as a verification of ownership for the company offering the service. Another popular use for this kind of records is the email SPF (Sender Policy Framework) security, which helps to ensure that an email address shall not be spoofed and that individuals will not receive junk e-mail from allegedly your mailbox. The TXT record contains info about the mail server where your online messages arrive from and functions as proof that it is a dependable one. Because there are no standards regarding the content of this sort of a record, you can add any other information also.