TXT is a DNS record, that contains info in human-readable form for external sources to gain info about a certain Internet domain or subdomain. In the most common case, this sort of record is used to prove that you own a domain name in case you're trying to add it to an Internet search engine or to some traffic analytics platform. Due to the fact that only the domain owner/administrator can add custom DNS records, the TXT record functions as a proof of ownership for the firm providing the service. Another popular use for this sort of records is the e-mail SPF (Sender Policy Framework) security, that makes sure that an email address shall not be spoofed and that others will not receive junk mail from allegedly your mailbox. The TXT record includes information about the mail server where your digital messages arrive from and functions as confirmation that it's a dependable one. As there are no restrictions regarding the content of such a record, you could also include any other info as well.