TXT records are a type of DNS (Domain Name System) record used to store text information related to a domain. They can provide various types of data, such as verification for email services, security settings, or general information about the domain. This text can be read by external services to confirm the domain's authenticity or to configure specific features. One common use of TXT records is for SPF (Sender Policy Framework) settings, which help prevent email spoofing by specifying which mail servers are allowed to send emails on behalf of a domain. Another use is for DKIM (DomainKeys Identified Mail), which adds a digital signature to emails for verification purposes.