lookup lusoaloja.gw at A.ROOT-SERVERS.NET(198.41.0.4) 2 ms<br>
<font color='blue'>A.ROOT-SERVERS.NET(198.41.0.4) refer to ns4.dns.pt(193.136.3.129)</font><br>
lookup lusoaloja.gw at ns4.dns.pt(193.136.3.129) 5006 ms<br>
<font color="red">error, nameserver: 193.136.3.129 does not respond</font><br>