Start Of Authority (SOA) - Describes the DNS zone details, Like names, serial number, refresh and expiry timeframes and 0 caching duration/TTL (Time To Live), Address (A) - Defines the IP, specifically an IPv4 Address, (AAAA) - Defines the IP, specifically an IPv6 Address, Canonical Name Records (CNAME) - Gives an alias to an already existing server, Service Records (SRV) - Identifies where a particular device is, Mail Exchanger Record (MX) - Determines the Host Name for the mail server, Name Server Records (NS) - Points to the name of the server, Pointer Record (PTR) - The Reverse of an A or AAAA record, allows for reverse DNS lookup, Text Records (TXT) - Human readable text information, Sender Policy Framework (SPF Protocol) - Prevents mail spoofing, checks if incoming mail really did come from an authorized host, Domain Keys Identified Mail (DKIM) - Digitally signs your outgoing mail, validated by the mail server, not usually seen on user end, you put your public key here, Zone Transfers - Allow us to replicate a DNS database, synchs to a secondary server, trigger by the serial number,

DNS Record Types

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