code: def get_configured_dns():
      
      ips = []
      try:
          output = subprocess.check_output(['nmcli', 'device', 'show'])
          output = output.decode('utf-8')
  
          for line in output.split('\n'):
              if 'DNS' in line:
                  pattern = r"\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}"
                  for hit in re.findall(pattern, line):
                      ips.append(hit)
      except FileNotFoundError:
          pass
      return ips
docs: Returns the configured DNS servers with the use f nmcli.