Connected: An Internet Encyclopedia
3.3. Standard RRs

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3.3. Standard RRs

3.3. Standard RRs

The following RR definitions are expected to occur, at least potentially, in all classes. In particular, NS, SOA, CNAME, and PTR will be used in all classes, and have the same format in all classes. Because their RDATA format is known, all domain names in the RDATA section of these RRs may be compressed.

<domain-name> is a domain name represented as a series of labels, and terminated by a label with zero length. <character-string> is a single length octet followed by that number of characters. <character-string> is treated as binary information, and can be up to 256 characters in length (including the length octet).


Next: 3.3.1. CNAME RDATA format

Connected: An Internet Encyclopedia
3.3. Standard RRs