removed external servers from lan reverse.

zones/lan.reverse.zone

@@ -8,9 +8,5 @@ $TTL 1D
 
 @								IN	NS	ns.slurm.ch.
 
-86.138.11.185.in-addr.arpa.		IN	PTR	flexo			
-145.168.214.91.in-addr.arpa.	IN	PTR	fender
-104.92.33.178.in-addr.arpa.		IN	PTR	fnog
-
 1.0.0							IN	PTR	hubert.slurm.ch.