Update os.py

StreamingCommunity/Util/os.py

@@ -282,6 +282,43 @@ class InternManager():
         else:
             return f"{bytes / (1024 * 1024):.2f} MB/s"
 
+    def check_dns_provider(self):
+        """
+        Check if the system's current DNS server matches any known DNS providers.
+        
+        Returns:
+            bool: True if the current DNS server matches a known provider,
+                  False if no match is found or in case of errors
+        """
+        dns_providers = {
+            "Cloudflare": ["1.1.1.1", "1.0.0.1"],
+            "Google": ["8.8.8.8", "8.8.4.4"],
+            "OpenDNS": ["208.67.222.222", "208.67.220.220"],
+            "Quad9": ["9.9.9.9", "149.112.112.112"],
+            "AdGuard": ["94.140.14.14", "94.140.15.15"],
+            "Comodo": ["8.26.56.26", "8.20.247.20"],
+            "Level3": ["209.244.0.3", "209.244.0.4"],
+            "Norton": ["199.85.126.10", "199.85.127.10"],
+            "CleanBrowsing": ["185.228.168.9", "185.228.169.9"],
+            "Yandex": ["77.88.8.8", "77.88.8.1"]
+        }
+        
+        try:
+            resolver = dns.resolver.Resolver()
+            nameservers = resolver.nameservers
+            
+            if not nameservers:
+                return False
+                
+            for server in nameservers:
+                for provider, ips in dns_providers.items():
+                    if server in ips:
+                        return True
+            return False
+            
+        except Exception:
+            return False
+
 
 class OsSummary:
     def __init__(self):