You're viewing a comment by Derek Callaway and its responses.

October 06, 2009, 15:23

By the way, they're optional but you download the entire domain's IN A records with a zone transfer.

http://en.wikipedia.org/wiki/DNS_zone_transfer

The zone transfer query type is AXFR. There's also the ZXFR query type which Wikipedia seems to have left out. ZXFR adds compression. dig supports both, IIRC.

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