diff --git a/bin/convertdomain b/bin/convertdomain
index c4a0653..040b656 100755
--- a/bin/convertdomain
+++ b/bin/convertdomain
@@ -13,11 +13,6 @@
 
 check_gluerecords() {
   echo -ne "\n* Checking glue records for $DOMAIN_NEW.."
-  if host -t ns ${DOMAIN_NEW} |grep -E '\.dns\.fedcom\.net\.$'; then
-    echo "Not needed (using dns.fedcom.net)"
-    return
-  fi
-
   local DOMAIN_PARENT=$(echo $DOMAIN_NEW |cut -d. -f2-)
   local NS_PARENT=""
   while true; do
@@ -37,6 +32,12 @@ check_gluerecords() {
     # fed.a.b NS something
     DOMAIN_PARENT="$(echo $DOMAIN_PARENT |cut -d. -f2-)"
   done
+
+  if dig +noall +authority +additional +norecurse @"$NS_PARENT" NS "$DOMAIN_NEW". | grep NS | grep -iE '\.dns\.fedcom\.net\.'; then
+    echo "Not needed (using dns.fedcom.net)"
+    return
+  fi
+
   CHECK_NS1=`dig +noall +authority +additional +norecurse @"$NS_PARENT" NS "$DOMAIN_NEW". | grep NS | grep -i ns1.$DOMAIN_NEW`
   [ $? -ne 0 ] && failcheck "Couldn't find glue / authoritative NS record ns1.$DOMAIN_NEW"