Because QName max. size is 256, the QNameLength range must be able to address...

Because QName max. size is 256, the QNameLength range must be able to address it. Therefore the datatype was changed to uint16_t. (#6354)

libraries/DNSServer/src/DNSServer.h

@@ -67,7 +67,7 @@ struct DNSHeader
 struct DNSQuestion
 {
   uint8_t   QName[256] ; //need 1 Byte for zero termination!
-  uint8_t   QNameLength ; 
+  uint16_t  QNameLength ; 
   uint16_t  QType ; 
   uint16_t  QClass ; 
 } ;