diff --git a/UsefullfreeDNS.md b/UsefullfreeDNS.md
index 22c3cde..e2f0c06 100644
--- a/UsefullfreeDNS.md
+++ b/UsefullfreeDNS.md
@@ -5,6 +5,21 @@ Anonymous solution behind an email address for free. You can also register any d
 
 (https://freedns.afraid.org/)[https://freedns.afraid.org/}]
 
+Click on Dynamic DNS
+
 ![freeDNS dynamic link](img/freednsdynlink.png)
 
-Test image
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+Choose a free available DNS like mooo.com or other then add townname.nationname it detects your current public IP address and create a redirection:
+
+townanme.nationname.mooo.com => IP xx.xx.xx.xx
+
+If your internet provider do not warranty a fix IP (mainly for internet pro) then you can add to your server the crontab. click on 'quick cron example' to get your url to check each 5 minutes and update freeDNS with your new IP (if it changed from the last 5 minutes ago previous test)
+
+```
+crontab -e
+# You might need to include this path line in crontab, (or specify full paths)
+PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
+
+4,9,14,19,24,29,34,39,44,49,54,59 * * * * sleep 48 ; wget --no-check-certificate -O - https://freedns.afraid.org/dynamic/update.php?YWVjZFVoFDersdeghgd12SlFIeFBIOjIxMGfdt56E5 >> /tmp/freedns_townname_nationname_mooo_com.log 2>&1 &
+
+```
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