Zabbix

...G...... [ZBX-20143] fixed tcp timeout not working in net.dns.record

* commit '4876cca40cadb213da5ccb3ae9bec01660f494f1':
  .......... [ZBX-20143] fixed changelog
  ...G...... [ZBX-20143] style fix
  ........S. [ZBX-20143] refactored
  ........S. [ZBX-20143] removed redundant includes
  ........S. [ZBX-20143] small fix
  ........S. [ZBX-20143] reworked handling of timeout
  .......... [ZBX-20143] added changelog
  ........S. [ZBX-20143] fixed various issues
  ........S. [ZBX-20143] fixed uninitialized memory issues
  ........S. [ZBX-20143] fixed warning
  ........S. [ZBX-20143] fixed build issues
  ........S. [ZBX-20143] fixed build issues
  ........S. [ZBX-20143] suppressed unused parameter
  ........S. [ZBX-20143] fixed tcp timeout not working in net.dns.record