RFC 1207:FYI on Questions and Answers: Answers...
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NS


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... These problems have been related to TCP connections, NS RRs with small TTLs ...
... RR's in, and do a query for NS records, the "additional" field is left blank. As far as I can tell, all other zones I query for NS ...
... NS records, the "additional" field is left blank. As far as I can tell, all other zones I query for NS records have this filled with the IP addresses of the NS ...
... NS records have this filled with the IP addresses of the NS hosts. Is this required or should I not be concerned that the additional field is empty? ...



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