diff -Naur e-smith-tinydns-2.2.0-orig/root/etc/e-smith/templates/var/service/tinydns/root/data/60hostARecords e-smith-tinydns-2.2.0/root/etc/e-smith/templates/var/service/tinydns/root/data/60hostARecords
--- e-smith-tinydns-2.2.0-orig/root/etc/e-smith/templates/var/service/tinydns/root/data/60hostARecords	2006-03-14 23:01:42.000000000 +0100
+++ e-smith-tinydns-2.2.0/root/etc/e-smith/templates/var/service/tinydns/root/data/60hostARecords	2010-07-29 15:43:29.034923045 +0200
@@ -9,6 +9,12 @@
             my $anIP = host2ip($h);
 
             my $prefixchar = '+';
+            if ($anIP !~ /^\d+\.\d+\.\d+\.\d+$/)
+            {
+                $prefixchar = 'C';
+            }
+            else
+            {
             my %reverse_lookups = get_reverse_lookup_choices();
             # If this IP is spoken for, then we know which host to use for the
             # reverse DNS lookup PTR.
@@ -32,6 +38,7 @@
             # Note that this ip is taken.
             $allocated_ips{$anIP} = 1;
 
+          }
             $OUT .= $prefixchar . $h->key . ":$anIP\n";
         }
         $OUT .= "\n";