RFC 2317:Classless IN-ADDR.ARPA delegation
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lookup


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... IN-ADDR.ARPA mappings. The proposed method is fully compatible with the original DNS lookup mechanisms specified in [1], i.e. there is no need to modify the lookup ...
... DNS lookup mechanisms specified in [1], i.e. there is no need to modify the lookup algorithm used, and there should be no need to modify any software ...
... algorithm used, and there should be no need to modify any software which does DNS lookups. ...


... The advantage of this approach over the other proposed approaches for dealing with this problem is that there should be no need to modify any already-deployed software. In particular, the lookup mechanism in the DNS does not have to be modified to accommodate this splitting ...


... implementation BIND 4.9.3 had a bug which caused problems if a CNAME record was encountered when a reverse lookup was made. The beta releases involved have since been obsoleted, and this issue is resolved in the released code. Some software manufacturers have ...



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