diff --git a/zen/tools/duniter_getnode.sh b/zen/tools/duniter_getnode.sh
index 44abf77..b1ff17c 100755
--- a/zen/tools/duniter_getnode.sh
+++ b/zen/tools/duniter_getnode.sh
@@ -64,8 +64,8 @@ chmod -R 777 /tmp/zen/
 find /tmp/zen/ -cmin +5 -type f -name "current.duniter" -exec rm -f '{}' \;
 [[ -f /tmp/zen/current.duniter ]] && cat /tmp/zen/current.duniter && exit 0
 
-##### $DIR/duniter_nodes.txt REFRESH after 20 minutes #####
-find $DIR/ -cmin +20 -type f -name "duniter_*" -exec rm -f '{}' \;
+##### $DIR/duniter_nodes.txt REFRESH after 10 minutes #####
+find $DIR/ -cmin +10 -type f -name "duniter_*" -exec rm -f '{}' \;
 if [[ ! -f  $DIR/duniter_nodes.txt ]]; then
 	# Get New BMAS known Nodes list from shuffle one $DIR/good.nodes.txt
 	[[ -f $DIR/good.nodes.txt ]] && DUNITER=$(shuf -n 1 $DIR/good.nodes.txt) || DUNITER="duniter-g1.p2p.legal:443"	
@@ -114,14 +114,19 @@ longchain=$(ls -S $DIR/chains/ | head -n 1)
 cp $DIR/chains/$longchain $DIR/good.nodes.txt
 
 ## TEST if server is really running Duniter
-Dtest=""; loop=0
+Dtest=""; IDtest=""; lastresult=""; loop=0
 while [[ $Dtest != "duniter" ]]; do
-    result=$(shuf -n 1 $DIR/good.nodes.txt)
-    Dtest=$(curl -s https://$result | jq -r .duniter.software)
+    while [[ $lastresult == $result &&  $loop -lt 7 ]]; do result=$(shuf -n 1 $DIR/good.nodes.txt); ((loop++)); done
+    lastresult=$result
+    Dtest=$(curl -s https://$lastresult | jq -r .duniter.software)
+    ## CHECK if server is not too slow
+    [[ $Dtest == "duniter" ]] && IDtest=$(silkaj -p $lastresult id Fred)
+    [[ $IDtest == "" ]] && Dtest=""
+    [[ $loop -eq 8 ]] && result="duniter-g1.p2p.legal:443" && break
     ((loop++))
-    [[ $loop -eq 4 ]] && result="duniter-g1.p2p.legal:443" && break
 done
 
+
 echo "$result" > /tmp/zen/current.duniter
 
 echo $result