Zabbix

...G...... [DEV-2702] fixed buffer overread in DNS response

* commit 'a9136e1949673fe610866134d70966cd5125bfb8':
  ...G...... [DEV-2702] fixed DNS record data length check
  ...G...... [DEV-2702] improved DNS error messages
  ...G...... [DEV-2702] fixed DNS error messages
  ...G...... [DEV-2702] improved DNS error messages
  ...G...... [DEV-2702] fixed buffer overread in DNS response