Confused about /24 in-addr.arpa NS delegation debug problem

[pyh at mail.nsbeta.info]

Phil Mayers writes: 

> 
> Delegation nameservers above differ from nameservers in-zone below 
> 
>> 
>> 147.95.81.in-addr.arpa. 86400   IN      NS      ns2.callingcloud.net.
>> 147.95.81.in-addr.arpa. 86400   IN      NS      ns1.callingcloud.net.
>> ;; Received 96 bytes from 207.218.247.135#53(ns1.theplanet.com) in 106 ms 
>> 

What problems will be caused due to this case? 

Thanks.