* filters/named.preg : tune scores

filters/named.preg

@@ -1,2 +1,6 @@
-<HOST>#[0-9]+ .* query \(cache\) '[0-9.]+.in-addr.arpa/PTR/IN' denied
-<HOST>#[0-9]+ .* query \(cache\) './ANY/IN' denied
+# set: defscore=10
+<HOST>#[0-9]+ .* query \(cache\) '[0-9.]+.in-addr.arpa/(PTR|SOA)/IN' denied
+# requests to '.' or top-level domains
+<HOST>#[0-9]+ .* query \(cache\) '[a-z.]+/ANY/IN' denied
+# set: defscore=1
+<HOST>#[0-9]+ .* query \(cache\) '[0-9a-z.-]+/RRSIG/IN' denied