remove ecrfa8, ecrfa9

etc/bind/204.168.192.rev

 $ORIGIN .
 $TTL 2592000;
 204.168.192.in-addr.arpa IN SOA ecs.elettra.trieste.it. passuello.elettra.trieste.it. (
-                                2024073001 ; serial
+                                2024073002 ; serial
                                 300        ; refresh (5 minutes)
                                 60         ; retry (1 minute)
                                 2592000    ; expire (30 days)
@@ -141,8 +141,6 @@ $ORIGIN 204.168.192.in-addr.arpa.
 159		PTR     sds-vac-a04-01.ecs.elettra.trieste.it.
 160		PTR	sds-vac-a10-01.ecs.elettra.trieste.it.
 161		PTR     ectfva7.ecs.elettra.trieste.it.
-162		PTR     ecrfa9.ecs.elettra.trieste.it.
-163		PTR	ecrfa8.ecs.elettra.trieste.it.
 166		PTR     ecvaca6.ecs.elettra.trieste.it.
 167		PTR	ecrfpsa.ecs.elettra.trieste.it.
 168		PTR     ecvaca8.ecs.elettra.trieste.it.

etc/bind/ecs.elettra.trieste.it

 $ORIGIN .
 $TTL 2592000	; 2 hours 51 minutes 40 seconds
 ecs.elettra.trieste.it	IN SOA	ecs.elettra.trieste.it. passuello.elettra.trieste.it. (
-				2024073001 ; serial
+				2024073002 ; serial
 				256        ; refresh (4 minutes 16 seconds)
 				1200       ; retry (20 minutes)
 				2592000    ; expire (12 hours)
@@ -292,8 +292,6 @@ ecpsbsa3		A	192.168.204.135
 ecpspsa-1		A	192.168.204.136
 ecpspsa-2		A	192.168.204.137
 ecrfa5			A	192.168.204.138
-ecrfa8			A	192.168.204.163
-ecrfa9			A	192.168.204.162
 ecrfbsa1		A	192.168.204.157
 ecrfpsa			A	192.168.204.167
 ecscwa11		A	192.168.204.156