diff --git a/chkip.py b/chkip.py
index b0eb3b0..58e78e3 100644
--- a/chkip.py
+++ b/chkip.py
@@ -218,15 +218,22 @@ def main():
 
     if args.me:
         local_v4, public_v4, public_v6 = get_my_ip()
-        print(f"Your local IPv4:  {local_v4}")
-        print(f"Your public IPv4: {public_v4}")
-        print(f"Your public IPv6: {public_v6}")
+        result = {
+            "local_ipv4": local_v4,
+            "public_ipv4": public_v4,
+            "public_ipv6": public_v6
+        }
         if is_cgnat(public_v4):
-            print("⚠️  Hinweis: Du befindest dich möglicherweise hinter CGNAT (Carrier-Grade NAT)")
-        return
+            result["cgnat"] = True
 
-    if not args.domain:
-        parser.print_help()
+        if args.json:
+            print(json.dumps(result, indent=2))
+        else:
+            print(f"Your local IPv4:  {result['local_ipv4']}")
+            print(f"Your public IPv4: {result['public_ipv4']}")
+            print(f"Your public IPv6: {result['public_ipv6']}")
+            if result.get("cgnat"):
+                print("⚠️  Hinweis: Du befindest dich möglicherweise hinter CGNAT (Carrier-Grade NAT)")
         return
 
     domain = args.domain