✨ Add MX handler

main.py

@@ -121,6 +121,21 @@ def sshfp_record_handler(zone, records):
                     )
                 )
 
+def mx_records_handler(zone, records):
+    """Handler for the MX record"""
+
+    for record in zone["mx_records"]:
+        preference = record["priority"]
+        exchange = record["target"]
+
+        records['@'].append(
+            dns.rdtype.ANY.MX.MX(
+                dns.rdataclass.IN,
+                dns.rdatatype.MX,
+                preference,
+                priority
+            )
+        )
 
 def txt_records_handler(zone, records):
     """Handler for TXT record"""