NS in reverse lookup???

[simmen :]

do u need to have an NS record in ur zone's reverse lookup or is correct ot 
have it???
for example
$origion 157.145.202.in-addr.arpa
@    IN  SOA     any.net.  admin.any.net.
                   { ;
                     ;
                     ;
                     ;
                     :};
1                             IN  PTR       any.any.net.
2                             IN  PTR       any.any.net.
@                             IN  NS        ns1.any.net. //???
@                             IN  NS        ns2.any.net. //???
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