diff --git a/powerdnsadmin/lib/utils.py b/powerdnsadmin/lib/utils.py
index 9a528dd..769587e 100644
--- a/powerdnsadmin/lib/utils.py
+++ b/powerdnsadmin/lib/utils.py
@@ -238,24 +238,22 @@ class customBoxes:
     }
     order = ["reverse", "ip6arpa", "inaddrarpa"]
 
-def pretty_domain_name(value):
-    """
-    Display domain name in original format.
-    If it is IDN domain (Punycode starts with xn--), do the
-    idna decoding.
-    Note that any part of the domain name can be individually punycoded
-    """
-    if isinstance(value, str):
-        if value.startswith('xn--') \
-        or value.find('.xn--') != -1:
-            try:
-                return to_idna(value, 'decode')
-            except:
-                raise Exception('Cannot decode IDN domain')
-        else:
-            return value
-    else:
-        raise Exception('Require the Punycode in string format')
+def pretty_domain_name(domain_name):
+    # Add a debugging statement to print out the domain name
+    print("Received domain name:", domain_name)
+
+    # Check if the domain name is encoded using Punycode
+    if domain_name.endswith('.xn--'):
+        try:
+            # Decode the domain name using the idna library
+            domain_name = idna.decode(domain_name)
+        except Exception as e:
+            # If the decoding fails, raise an exception with more information
+            raise Exception('Cannot decode IDN domain: {}'.format(e))
+
+    # Return the "pretty" version of the domain name
+    return domain_name
+
 
 def to_idna(value, action):
     splits = value.split('.')