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Which DNS record type is typically used to hold descriptive information, such as details for verifying domain ownership or email security features?
MX record
TXT record
A record
AAAA record
TXT records are used to hold free-form text of any type, often used for domain ownership verification by various services, or to implement email security measures like SPF, DKIM, and DMARC. An A record, on the other hand, maps a domain name to an IPv4 address and is not meant for descriptive text. The MX record directs mail to an email server and cannot hold descriptive text beyond the mail server's name. Similarly, an AAAA record links a domain with an IPv6 address.
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