diff --git a/wo/core/acme.py b/wo/core/acme.py
index 7fbfa06..2605468 100644
--- a/wo/core/acme.py
+++ b/wo/core/acme.py
@@ -9,6 +9,7 @@ from wo.core.logging import Log
 from wo.core.shellexec import WOShellExec, CommandExecutionError
 from wo.core.variables import WOVar
 from wo.core.template import WOTemplate
+from wo.core.checkfqdn import WOFqdn
 
 
 class WOAcme:
@@ -181,10 +182,10 @@ class WOAcme:
 
     def check_dns(self, acme_domains):
         """Check if a list of domains point to the server IP"""
-        server_ip = requests.get('https://v4.wordops.eu/').text
+        server_ip = WOFqdn.get_server_ip(self)
         for domain in acme_domains:
-            domain_ip = requests.get('http://v4.wordops.eu/dns/{0}/'
-                                     .format(domain)).text
+            domain_ip = WOFqdn.get_domain_ip(self, domain)
+
             if (not domain_ip == server_ip):
                 Log.warn(
                     self, "{0}".format(domain) +
diff --git a/wo/core/checkfqdn.py b/wo/core/checkfqdn.py
index d154e50..d089cd7 100644
--- a/wo/core/checkfqdn.py
+++ b/wo/core/checkfqdn.py
@@ -51,3 +51,14 @@ class WOFqdn:
         except requests.exceptions.RequestException as e:
             print("Error occurred during request:", e)
             return None
+
+    def get_domain_ip(self, wo_domain):
+        """Get the server externet IP"""
+        try:
+            y = requests.get('http://v4.wordops.eu/dns/{0}/'.format(wo_domain))
+            domain_ip = (y.text).strip()
+
+            return domain_ip
+        except requests.exceptions.RequestException as e:
+            print("Error occurred during request:", e)
+            return None