Tracing to 66.236.153.70.ptr.us.xo.net[a]

192.203.230.10 (192.203.230.10)
 |\___ m.gtld-servers.net
[net] (192.55.83.30)
 |     |\___ nameserver1.concentric.net
[xo.net]
(207.88.20.30) Got authoritative answer
 |     |\___ nameserver2.concentric.net
[xo.net]
(207.155.253.180) Got authoritative answer
 |     |\___ nameserver3.concentric.net
[xo.net]
(207.88.20.82) Got authoritative answer
 |      \___ nameserver.concentric.net
[xo.net]
(207.155.249.180) Got authoritative answer
 |\___ i.gtld-servers.net
[net] (192.43.172.30)
 |     |\___ nameserver1.concentric.net
[xo.net]
(207.88.20.30) (cached)
 |     |\___ nameserver2.concentric.net
[xo.net]
(207.155.253.180) (cached)
 |     |\___ nameserver3.concentric.net
[xo.net]
(207.88.20.82) (cached)
 |      \___ nameserver.concentric.net
[xo.net]
(207.155.249.180) (cached)
 |\___ f.gtld-servers.net
[net] (192.35.51.30)
 |     |\___ nameserver1.concentric.net
[xo.net]
(207.88.20.30) (cached)
 |     |\___ nameserver2.concentric.net
[xo.net]
(207.155.253.180) (cached)
 |     |\___ nameserver3.concentric.net
[xo.net]
(207.88.20.82) (cached)
 |      \___ nameserver.concentric.net
[xo.net]
(207.155.249.180) (cached)
 |\___ a.gtld-servers.net
[net] (2001:0503:a83e:0000:0000:0000:0002:0030) *
 |\___ a.gtld-servers.net
[net] (192.5.6.30)
 |     |\___ nameserver1.concentric.net
[xo.net]
(207.88.20.30) (cached)
 |     |\___ nameserver2.concentric.net
[xo.net]
(207.155.253.180) (cached)
 |     |\___ nameserver3.concentric.net
[xo.net]
(207.88.20.82) (cached)
 |      \___ nameserver.concentric.net
[xo.net]
(207.155.249.180) (cached)
 |\___ b.gtld-servers.net
[net] (2001:0503:231d:0000:0000:0000:0002:0030)

QUESTION SECTION:
66.236.153.70.ptr.us.xo.net.	IN	ANY

ANSWER SECTION:
66.236.153.70.ptr.us.xo.net.
10800 IN	A	66.236.153.70

AUTHORITY SECTION:
xo.net.		10800	IN	NS	nameserver2.concentric.net.
xo.net.		10800	IN	NS	nameserver3.concentric.net.
xo.net.		10800	IN	NS	nameserver.concentric.net.
xo.net.		10800	IN	NS	nameserver1.concentric.net.

Query time: 176 msec
SERVER: 213.133.99.99#53(213.133.99.99)
WHEN: Sat Feb  4 16:55:22 2012
MSG SIZE  rcvd: 175

HOST: Ubuntu-1104-natty-64-minimal              
Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- static.193.37.46.78.clients.your-server.de
 0.0%     1   
0.7   0.7   0.7   0.7   0.0
  2.|-- hos-tr1.juniper1.rz10.hetzner.de
           0.0%     1    0.2  
0.2   0.2   0.2   0.0
  3.|-- hos-bb2.juniper3.s06.hetzner.de
            0.0%     1    2.5  
2.5   2.5   2.5   0.0
  4.|-- lambdanet-gw.hetzner.de
                    0.0%     1    3.0  
3.0   3.0   3.0   0.0
  5.|-- FRA-3-eth000.de.lambdanet.net
              0.0%     1    6.3  
6.3   6.3   6.3   0.0
  6.|-- ix-0-2-0-0.tcore1.FR0-Frankfurt.as6453.net
 0.0%     1   
6.3   6.3   6.3   6.3   0.0
  7.|-- if-3-2.tcore1.PVU-Paris.as6453.net
         0.0% 
   1  110.8 110.8 110.8 110.8   0.0
  8.|-- if-2-2.tcore1.PYE-Paris.as6453.net
         0.0% 
   1   97.5  97.5  97.5  97.5   0.0
  9.|-- if-5-2.tcore1.L78-London.as6453.net
        0.0%  
  1   94.4  94.4  94.4  94.4   0.0
 10.|-- if-4-2.tcore1.NJY-Newark.as6453.net
        0.0%  
  1   95.2  95.2  95.2  95.2   0.0
 11.|-- if-2-2.tcore2.NJY-Newark.as6453.net
        0.0%  
  1   93.5  93.5  93.5  93.5   0.0
 12.|-- Vlan83.icore2.NTO-NewYork.as6453.net
       0.0%   
 1  105.1 105.1 105.1 105.1   0.0
 13.|-- Vlan585.icore2.NTO-NewYork.as6453.net
      0.0%    
1  101.3 101.3 101.3 101.3   0.0
 14.|-- 207.88.14.185.ptr.us.xo.net
                0.0%     1  116.9
116.9 116.9 116.9   0.0
 15.|-- ae0d0.mcr2.chicago-il.us.xo.net
            0.0%     1  118.0
118.0 118.0 118.0   0.0
 16.|-- 216.156.13.58.ptr.us.xo.net
                0.0%     1  119.7
119.7 119.7 119.7   0.0
 17.|-- 66.236.153.70.ptr.us.xo.net
                0.0%     1  121.6
121.6 121.6 121.6   0.0

(66.236.153.70.ptr.us.xo.net,
66.236.153.70.ptr.us.xo.net): TIMEOUT