--- a/scripts/check_db_safety	Mon Oct 28 04:16:16 2013 +0000
+++ b/scripts/check_db_safety	Wed Oct 30 02:47:14 2013 +0000
@@ -11,14 +11,14 @@
   exit 1
  fi
  for dom in $tld/* ; do
-  if [ "$(ls $dom/ns/ | tr -d 'a-z0-9\n.-' | wc -c | tr -d ' \t')" != 0 ]; then
+  if [ "$(ls $dom/ns/ | tr -d 'A-Fa-z0-9\n.-:' | wc -c | tr -d ' \t')" != 0 ]; then
    domain="$(basename $dom).$(basename $tld)"
    echo "There's a bad nameserver under $domain." >&2
    echo "You probably don't want to run any shell scripts." >&2
    exit 1
   fi
   for ns in $dom/ns/* ; do
-   if [ "$(cat $ns | tr -d '0-9.\r\n' | wc -c | tr -d ' \t')" != 0 ]; then
+   if [ "$(cat $ns | tr -d 'A-Fa-f0-9.:\r\n' | wc -c | tr -d ' \t')" != 0 ]; then
     domain="$(basename $dom).$(basename $tld)"
     nsname="$(basename $ns)"
     echo "There's a bad nameserver IP under $domain, for" >&2