Add dns-config module for Mail-in-a-Box DNS management and Azure integration

dns-config/azure.py

@@ -0,0 +1,15 @@
+from azure.identity import DefaultAzureCredential
+from azure.mgmt.dns import DnsManagementClient
+import os
+
+AZURE_SUBSCRIPTION_ID = os.environ.get("AZURE_SUBSCRIPTION_ID", None)
+
+def get_dns_nameservers(resource_group_name: str, zone_name: str, azure_subscription_id: str | None = None) -> list[str]:
+    try:
+        creds = DefaultAzureCredential()
+        dns_client = DnsManagementClient(creds, azure_subscription_id or AZURE_SUBSCRIPTION_ID)
+        zone = dns_client.zones.get(resource_group_name, zone_name)
+        return zone.name_servers
+    except Exception as e:
+        print(f"Error fetching DNS nameservers: {e}")
+        return []