Corrected reverse PTR entries.

zones/fender.reverse.zone

@@ -8,4 +8,4 @@ $TTL 1D
 
 @								IN	NS	ns.slurm.ch.
 		
-145.168.214.91.in-addr.arpa.	IN	PTR	fender
+145.168.214.91.in-addr.arpa.	IN	PTR	fender.slurm.ch.

zones/flexo.reverse.zone

@@ -8,4 +8,4 @@ $TTL 1D
 
 @								IN	NS	ns.slurm.ch.
 
-86.138.11.185.in-addr.arpa.		IN	PTR	flexo
+86.138.11.185.in-addr.arpa.		IN	PTR	flexo.slurm.ch.

zones/fnog.reverse.zone

@@ -8,4 +8,4 @@ $TTL 1D
 
 @								IN	NS	ns.slurm.ch.
 
-104.92.33.178.in-addr.arpa.		IN	PTR	fnog
+104.92.33.178.in-addr.arpa.		IN	PTR	fnog.slurm.ch.

zones/lan.reverse.zone

@@ -12,5 +12,5 @@ $TTL 1D
 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
+1.0.0							IN	PTR	hubert.slurm.ch.