Need to clean up BIND being used for AD.

[Albion]

I have two Linux servers running BIND 9.2.1.  One is a primary and the
second is a replicated secondary DNS for my Windows 2003 Active
directory.  One thing I am noticing is because of my DHCP server some
entries are getting duplicated.  I.E. two seperate names for one IP
address.  So when I ping a name I get this kind of output:

[root at mail1 pz]# ping station148
PING station148.stanek.domain (192.0.2.148) from 192.0.2.1 : 56(84)
bytes of data.
64 bytes from station148.stanek.domain (192.0.2.148): icmp_seq=0
ttl=128 time=0.6 ms
64 bytes from station148.stanek.domain (192.0.2.148): icmp_seq=1
ttl=128 time=0.6 ms
64 bytes from station162.stanek.domain (192.0.2.148): icmp_seq=2
ttl=128 time=0.5 ms
64 bytes from station162.stanek.domain (192.0.2.148): icmp_seq=3
ttl=128 time=0.6 ms

Is there any easy way to fix this without going through your zone
files deleting duplicated entries manualy?

Thanks 

-Al