Standard Resource Record Format (RR)
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The records in the name server data files are called resource
records. The Standard Resource Record Format (RR) is specified in
RFC1035.
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General description of these records:
- {name} {ttl} addr-class Record Type Record Specific data
- the name may be left blank
- The second field is an optional time to live field. (default
ttl is specified in the Start Of Authority resource record).
- The third field is the address class currently, only one class
is supported: IN
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