我有一个通过 RCN 连接到 Apple Airport Extreme（全新）的有线调制解调器。当我将计算机物理连接到有线调制解调器时，一切正常。当我设置 wifi 网络并通过该网络连接时，一切正常，除了托管在 GoDaddy.com 上的我的个人页面域名。（http://elizabethmoran.com）
我不知道如何调试这个问题。如果我连接到 VPN（通过 wifi），那么网站又可以正常工作了。但如果没有通过无线路由器的 VPN，我就会超时。
ping google 没问题：
laserson@rigatoni:~$ ping google.com
PING google.com (74.125.226.148): 56 data bytes
64 bytes from 74.125.226.148: icmp_seq=0 ttl=55 time=15.119 ms
64 bytes from 74.125.226.148: icmp_seq=1 ttl=55 time=19.110 ms
64 bytes from 74.125.226.148: icmp_seq=2 ttl=55 time=27.054 ms
64 bytes from 74.125.226.148: icmp_seq=3 ttl=55 time=21.344 ms
^C
--- google.com ping statistics ---
4 packets transmitted, 4 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 15.119/20.657/27.054/4.314 ms
对 elizabethmoran.com 执行 ping 操作不会：
laserson@rigatoni:~$ ping elizabethmoran.com
PING elizabethmoran.com (97.74.144.83): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
^C
--- elizabethmoran.com ping statistics ---
5 packets transmitted, 0 packets received, 100.0% packet loss
google 上的 traceroute 迅速终止：
laserson@rigatoni:~$ traceroute google.com
traceroute: Warning: google.com has multiple addresses; using 74.125.226.148
traceroute to google.com (74.125.226.148), 64 hops max, 52 byte packets
1 10.0.1.1 (10.0.1.1) 4.386 ms 0.870 ms 0.657 ms
2 bdl1.sbo-ubr1.sbo.ma.cable.rcn.net (10.16.64.1) 15.465 ms 16.008 ms 9.406 ms
3 vl200.aggr1.sbo.ma.rcn.net (209.6.160.100) 9.962 ms 7.675 ms 7.942 ms
4 tge1-1.core1.sbo.ma.rcn.net (207.172.15.140) 9.947 ms 7.749 ms 7.887 ms
5 tge1-4.core1.nyw.ny.rcn.net (207.172.19.219) 119.990 ms 174.745 ms 207.707 ms
6 port-chan2.border1.nyw.ny.rcn.net (207.172.15.92) 13.825 ms 13.335 ms 22.148 ms
7 207.172.9.126 (207.172.9.126) 51.993 ms 16.618 ms 15.159 ms
8 72.14.238.232 (72.14.238.232) 17.992 ms 18.013 ms 22.085 ms
9 216.239.48.44 (216.239.48.44) 16.073 ms 18.006 ms 15.869 ms
10 74.125.226.148 (74.125.226.148) 16.380 ms 18.032 ms 22.648 ms
elizabethmoran.com 上的跟踪路由从未完成：
laserson@rigatoni:~$ traceroute elizabethmoran.com
traceroute to elizabethmoran.com (97.74.144.83), 64 hops max, 52 byte packets
1 10.0.1.1 (10.0.1.1) 2.790 ms 0.703 ms 0.739 ms
2 bdl1.sbo-ubr1.sbo.ma.cable.rcn.net (10.16.64.1) 10.633 ms 13.620 ms 10.712 ms
3 vl200.aggr1.sbo.ma.rcn.net (209.6.160.100) 16.901 ms 11.918 ms 146.751 ms
4 tge2-1.core4.sbo.ma.rcn.net (207.172.15.156) 21.576 ms 15.395 ms 14.443 ms
5 tge2-4.core4.chsl.il.rcn.net (207.172.19.233) 185.286 ms 197.835 ms 204.685 ms
6 tge3-3.border2.eqnx.il.rcn.net (207.172.19.15) 39.404 ms 38.517 ms 41.792 ms
7 mpr1.ord7.us (206.223.119.86) 37.832 ms 38.180 ms 41.153 ms
8 xe-2-2-0.cr1.ord2.us.above.net (64.125.26.249) 172.944 ms 40.119 ms 43.902 ms
9 xe-0-2-0.cr1.dfw2.us.above.net (64.125.30.61) 69.867 ms 69.534 ms 89.503 ms
10 xe-2-1-0.cr1.iah1.us.above.net (64.125.30.57) 70.964 ms 72.459 ms 73.129 ms
11 xe-1-1-0.mpr3.phx2.us.above.net (64.125.30.149) 93.314 ms 94.734 ms 94.816 ms
12 64.124.196.38.allocated.above.net (64.124.196.38) 207.411 ms 97.502 ms 106.455 ms
13 ip-208-109-112-153.ip.secureserver.net (208.109.112.153) 111.260 ms 97.948 ms 93.925 ms
14 ip-208-109-112-142.ip.secureserver.net (208.109.112.142) 95.488 ms 94.975 ms 98.032 ms
15 ip-216-69-188-77.ip.secureserver.net (216.69.188.77) 214.700 ms 95.902 ms 96.070 ms
16 ip-208-109-112-2.ip.secureserver.net (208.109.112.2) 98.641 ms 99.744 ms 101.845 ms
17 * * *
18 * * *
19 * * *
20 * * *
21 * * *
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 *traceroute: sendto: No route to host
traceroute: wrote elizabethmoran.com 52 chars, ret=-1
*traceroute: sendto: No route to host
traceroute: wrote elizabethmoran.com 52 chars, ret=-1
*
31 * * *
32 *traceroute: sendto: No route to host
traceroute: wrote elizabethmoran.com 52 chars, ret=-1
* *
33 * * *
34 * * *
35 * * *
36 * * *
37 * * *
38 * * *
39 * * *
40 * * *
41 * * *
42 * * *
43 * * *
44 * * *
45 * * *
46 * * *
47 *^C
非常感谢您的帮助...谢谢！
乌里