said by McBane:
10 server3.salvadormailling.com.br (22.214.171.124) 5.034 ms 5.063 ms 5.023 ms
11 server2.smtpcentral.com.br (126.96.36.199) 46.157 ms 45.396 ms 46.187 ms
5ms to 45ms on the server itself. That's a good indication of server load.
Whois says that block is owned by Limestone Networks with a Dallas admin address, however I think hop 10 is Limestone's gateway router in Dallas. Hop 11 is in Brazil. 40ms from Dallas to Brazil is probably right.
%rwhois V-1.5:003fff:00 rwhois.limestonenetworks.com (by Network Solutions, Inc. V-188.8.131.52)
network:IP-Network-Block:184.108.40.206 - 220.127.116.11