diff --git a/smartrecon.sh b/smartrecon.sh
index 6fcc9e5..fa8f21c 100644
--- a/smartrecon.sh
+++ b/smartrecon.sh
@@ -102,7 +102,7 @@ searchcrtsh(){
   echo "${green}Checking http://crt.sh ${reset}"
  ~/tools/massdns/scripts/ct.py $domain 2>/dev/null > ./$domain/$foldername/tmp.txt
  [ -s ./$domain/$foldername/tmp.txt ] && cat ./$domain/$foldername/tmp.txt | ~/tools/massdns/bin/massdns -r ~/tools/massdns/lists/resolvers.txt -t A -q -o S -w  ./$domain/$foldername/crtsh.txt
- cat ./$domain/$foldername/$domain.txt | ~/tools/massdns/bin/massdns -r ~/tools/massdns/lists/resolvers.txt -t A -q -o S -w  ./$domain/$foldername/domaintemp.txt
+ cat ./$domain/$foldername/$domain.txt | sort -u | ~/tools/massdns/bin/massdns -r ~/tools/massdns/lists/resolvers.txt -t A -q -o S -w  ./$domain/$foldername/domaintemp.txt
 }