DNS Records Explained


        
            
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            DNS records are rules that tell domain name servers how to handle traffic to your domains and subdomains.

A: Address record, which is used to map host names to their IPv4 address.
AAAA: IPv6 Address record, which is used to map host names to their IPv6 address.
CAA: Certificate Authority (CA) Authorization, which is used to specify which CAs are allowed to create certificates for a domain.
CNAME: Canonical name record, which is used to specify alias names.
MX: Mail exchange record, which is used in routing requests to mail servers.
NS: Name server record, which delegates a DNS zone to an authoritative server.
SPF: Sender Policy Framework record, a deprecated record type formerly used in e-mail validation systems (use a TXT record instead).
SRV: Service locator record, which is used by some voice over IP, instant messaging protocols, and other applications.
TXT: Text record, which can contain arbitrary text and can also be used to define machine-readable data, such as security or abuse prevention information.