proxy:~# ping mail.mailig.ig.com.br
PING googlemail.l.google.com (64.233.185.19) 56(84) bytes of data.
64 bytes from wr-in-f19.google.com (64.233.185.19): icmp_seq=1 ttl=240 time=331 ms
64 bytes from wr-in-f19.google.com (64.233.185.19): icmp_seq=2 ttl=240 time=322 ms
64 bytes from wr-in-f19.google.com (64.233.185.19): icmp_seq=3 ttl=240 time=321 ms
64 bytes from wr-in-f19.google.com (64.233.185.19): icmp_seq=4 ttl=239 time=322 ms
64 bytes from wr-in-f19.google.com (64.233.185.19): icmp_seq=5 ttl=239 time=323 ms