[caiu] Resolução de Nomes Facebook via GBLX

[Roberto Alcântara]

Senhores,

Estamos enfrentando dificuldades p/ alcançar os endereços dos servidores
autoritativos do Facebook.  Alguém com problema semelhante?


#nslookup -q=ns facebook.com m.gtld-servers.net
Server:         m.gtld-servers.net
Address:        192.55.83.30#53

Non-authoritative answer:
*** Can't find facebook.com: No answer

Authoritative answers can be found from:
facebook.com    nameserver = a.ns.facebook.com.
facebook.com    nameserver = b.ns.facebook.com.
a.ns.facebook.com       internet address = 69.171.239.12
b.ns.facebook.com       internet address = 69.171.255.12

# tcptraceroute 69.171.239.12 53
traceroute to 69.171.239.12 (69.171.239.12), 30 hops max, 53 byte packets
 1  bgp-router.fortalnet.com.br (189.90.16.1)  0.143 ms * *
 2  187.60.39.209 (187.60.39.209)  6.627 ms  6.861 ms  7.094 ms
 3  187.60.45.1 (187.60.45.1)  1.358 ms  2999.894 ms *
 4  159.63.52.129 (159.63.52.129)  2.976 ms  2.965 ms  2.950 ms
 5  xe7-3-1-10G.scr3.NYC1.gblx.net (67.16.156.249)  74.086 ms 67.16.167.253
(67.16.167.253)  73.594 ms xe7-3-1-10G.scr3.NYC1.gblx.net (67.16.156.249)
 74.061 ms
 6  ae1-30G.scr3.WDC2.gblx.net (67.16.166.154)  78.553 ms
ae1-20G.scr4.WDC2.gblx.net (67.16.166.190)  78.542 ms
ae1-30G.scr3.WDC2.gblx.net (67.16.166.154)  78.528 ms
 7  lag14.csr2.DCA3.gblx.net (67.16.166.250)  85.663 ms
lag3.csr2.DCA3.gblx.net (67.16.166.234)  87.846 ms
lag14.csr2.DCA3.gblx.net(67.16.166.250)  89.551 ms
 8  * * *
21  * * *
22  * *


# tcptraceroute 69.171.255.12 53
traceroute to 69.171.255.12 (69.171.255.12), 30 hops max, 53 byte packets
 1  bgp-router.fortalnet.com.br (189.90.16.1)  0.163 ms  0.140 ms  0.128 ms
 2  187.60.39.209 (187.60.39.209)  7.568 ms  7.557 ms  8.277 ms
 3  187.60.45.1 (187.60.45.1)  0.736 ms  3000.832 ms  3000.796 ms
 4  159.63.52.129 (159.63.52.129)  1.924 ms  2.070 ms  1.962 ms
 5  67.16.167.253 (67.16.167.253)  73.363 ms
xe7-3-1-10G.scr3.NYC1.gblx.net(67.16.156.249)  73.841 ms  73.842 ms
 6  ae1-20G.scr4.WDC2.gblx.net (67.16.166.190)  78.104 ms
ae1-30G.scr3.WDC2.gblx.net (67.16.166.154)  78.103 ms
ae1-20G.scr4.WDC2.gblx.net (67.16.166.190)  78.083 ms
 7  lag14.csr2.DCA3.gblx.net (67.16.166.250)  81.525 ms
lag3.csr2.DCA3.gblx.net (67.16.166.234)  90.759 ms
lag14.csr2.DCA3.gblx.net(67.16.166.250)  81.186 ms
 8  * * *
 9  * * *
10  * * *
11  * * *