nhyjk(死去活来) ,您是在境内吗? 解析出 ip 地址后,ping 通了吗? time 是多少?
ip解析是正确(只是跟你说的刚好错位)的,可能因为你装了防火墙,ping不通,不能返回时间等
对了,我是四川的,这是我追踪66.165.131.11的结果,在61.188.8.6后断掉,你分析一下吧Tracing route to mail7.activehost.com [66.165.131.11] over a maximum of 30 hops: 1 <10 ms <10 ms <10 ms CDDD-SERVER [192.168.0 2 20 ms <10 ms 10 ms 218.88.32.1 3 10 ms 10 ms 10 ms 61.157.88.105 4 <10 ms 10 ms 10 ms 61.139.5.22 5 <10 ms 10 ms 10 ms 61.188.8.6 6 * * * Request timed out. 7 * * * Request timed out. 8 * * * Request timed out.
Microsoft Windows [版本 5.2.3790] (C) 版权所有 1985-2003 Microsoft Corp.D:\Documents and Settings\Administrator>ping www.ssc-group.comPinging ssc-group.com [66.165.153.29] with 32 bytes of data:Request timed out. Request timed out. Request timed out. Request timed out.Ping statistics for 66.165.153.29: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),D:\Documents and Settings\Administrator>ping mail.ssc-group.comPinging mail.ssc-group.com [66.165.131.11] with 32 bytes of data:Request timed out. Request timed out. Request timed out. Request timed out.Ping statistics for 66.165.131.11: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),D:\Documents and Settings\Administrator>
没问题啊,可以ping得通啊! 也许是具体选择路由的问题,某些网络内的机器得到的具体路由可能经过了一些网关之类地方,而这些地方将ICMP协议禁止了,避免DOS攻击,于是就不通了。 也有可能是国内部分网关/路由不正常,时好时坏,国外进来的可能通过另外一个专门的网关/路由,是好的,就出现这种情况。 或者部分地区DNS解析出现了一些问题?下面是我这里的ping和tracert: Microsoft Windows 2000 [Version 5.00.2195] (C) 版权所有 1985-2000 Microsoft Corp.C:\>ping www.ssc-group.comPinging ssc-group.com [66.165.153.29] with 32 bytes of data:Reply from 66.165.153.29: bytes=32 time=230ms TTL=109 Reply from 66.165.153.29: bytes=32 time=241ms TTL=109 Reply from 66.165.153.29: bytes=32 time=230ms TTL=109 Reply from 66.165.153.29: bytes=32 time=230ms TTL=109Ping statistics for 66.165.153.29: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 230ms, Maximum = 241ms, Average = 232msC:\>ping mail.ssc-group.comPinging mail.ssc-group.com [66.165.131.11] with 32 bytes of data:Reply from 66.165.131.11: bytes=32 time=231ms TTL=109 Reply from 66.165.131.11: bytes=32 time=230ms TTL=109 Reply from 66.165.131.11: bytes=32 time=230ms TTL=109 Reply from 66.165.131.11: bytes=32 time=230ms TTL=109Ping statistics for 66.165.131.11: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 230ms, Maximum = 231ms, Average = 230msC:\>tracert www.ssc-group.comTracing route to ssc-group.com [66.165.153.29] over a maximum of 30 hops: 1 <10 ms <10 ms <10 ms 10.110.1.1 2 10 ms 10 ms 10 ms 10.13.6.1 3 <10 ms <10 ms 10 ms 218.2.117.141 4 <10 ms <10 ms <10 ms 218.2.133.49 5 <10 ms <10 ms <10 ms 218.2.131.217 6 <10 ms 10 ms <10 ms 218.2.131.65 7 <10 ms 10 ms <10 ms 202.97.27.109 8 20 ms 10 ms 10 ms 202.97.39.109 9 20 ms 10 ms 10 ms 202.97.33.90 10 140 ms 130 ms 130 ms 202.97.51.206 11 130 ms 150 ms 141 ms sntcca2lch1-gige3-15.wcg.net [64.200.149.1] 12 210 ms 211 ms 220 ms sntcca1wcx1-pos1-0.wcg.net [64.200.149.9] 13 211 ms 210 ms 210 ms anhmca1wcx3-pos4-0-oc48.wcg.net [64.200.240.1] 14 210 ms 210 ms 211 ms hrndva1wcx2-oc48.wcg.net [64.200.240.30] 15 211 ms 210 ms 210 ms washdc5lcx1-pos5-0.wcg.net [64.200.240.194] 16 210 ms 210 ms 211 ms washdc5lcx1-nexgen-gige.wcg.net [64.200.88.86] 17 230 ms 220 ms 221 ms qcy-m20-at3-3-0.gnaps.net [199.232.44.54] 18 231 ms 230 ms 240 ms activehost.cust.gnaps.net [199.232.42.154] 19 230 ms 231 ms 230 ms alb-edge-01.activehost.com [66.165.129.10] 20 230 ms 231 ms 230 ms ssc-group.com [66.165.153.29]Trace complete.C:\>tracert mail.ssc-group.comTracing route to mail.ssc-group.com [66.165.131.11] over a maximum of 30 hops: 1 <10 ms <10 ms <10 ms 10.110.1.1 2 * 10 ms 10 ms 10.13.6.1 3 <10 ms <10 ms 10 ms 218.2.117.141 4 10 ms <10 ms 10 ms 218.2.133.49 5 <10 ms <10 ms <10 ms 218.2.131.217 6 <10 ms <10 ms 10 ms 218.2.131.65 7 <10 ms 11 ms <10 ms 202.97.27.109 8 10 ms 10 ms 20 ms 202.97.39.109 9 20 ms 10 ms 10 ms 202.97.33.90 10 131 ms 140 ms 140 ms 202.97.51.206 11 140 ms 140 ms 140 ms sntcca2lch1-gige3-15.wcg.net [64.200.149.1] 12 211 ms 210 ms 220 ms sntcca1wcx1-pos1-0.wcg.net [64.200.149.9] 13 210 ms 210 ms 210 ms anhmca1wcx3-pos1-0.wcg.net [64.200.210.121] 14 210 ms 210 ms 210 ms hrndva1wcx2-oc48.wcg.net [64.200.240.30] 15 211 ms 210 ms 220 ms washdc5lcx1-pos5-0.wcg.net [64.200.240.194] 16 221 ms 210 ms 210 ms washdc5lcx1-nexgen-gige.wcg.net [64.200.88.86] 17 231 ms 220 ms 230 ms qcy-m20-at3-3-0.gnaps.net [199.232.44.54] 18 231 ms 260 ms 240 ms activehost.cust.gnaps.net [199.232.42.154] 19 230 ms 240 ms 231 ms alb-edge-01.activehost.com [66.165.129.10] 20 230 ms 250 ms 231 ms mail7.activehost.com [66.165.131.11]Trace complete.C:\>
C:\Documents and Settings\Administrator>ping www.ssc-group.comPinging ssc-group.com [66.165.153.29] with 32 bytes of data:Request timed out. Request timed out.C:\Documents and Settings\Administrator>ping mail.ssc-group.comPinging mail.ssc-group.com [66.165.131.11] with 32 bytes of data:Request timed out. Request timed out.大连不通
网页是对的,真糊涂了。 哪位顺便帮着测试一下我们的邮件系统是否可以连通,我们国内的同事往我这里发信,总是返回下面的错误,我自己登录 sina.com.cn 和 中国 yahoo 试验了一下,发现也出同样错误,可怜我是做开发的,对系统管理并不在行。Message from yahoo.com. Unable to deliver message to the following address(es).<[email protected]>: Sorry, I couldn't find a mail exchanger or IP address. (#5.4.4)请大家给 [email protected] 发一个信看看是否同样有问题。多谢了,占用了大家这么多时间。
Message from yahoo.com. Unable to deliver message to the following address(es).<[email protected]>: Sorry, I couldn't find a mail exchanger or IP address. (#5.4.4)--- Original message follows.
over a maximum of 30 hops: 1 <10 ms <10 ms <10 ms CDDD-SERVER [192.168.0
2 20 ms <10 ms 10 ms 218.88.32.1
3 10 ms 10 ms 10 ms 61.157.88.105
4 <10 ms 10 ms 10 ms 61.139.5.22
5 <10 ms 10 ms 10 ms 61.188.8.6
6 * * * Request timed out.
7 * * * Request timed out.
8 * * * Request timed out.
(C) 版权所有 1985-2003 Microsoft Corp.D:\Documents and Settings\Administrator>ping www.ssc-group.comPinging ssc-group.com [66.165.153.29] with 32 bytes of data:Request timed out.
Request timed out.
Request timed out.
Request timed out.Ping statistics for 66.165.153.29:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),D:\Documents and Settings\Administrator>ping mail.ssc-group.comPinging mail.ssc-group.com [66.165.131.11] with 32 bytes of data:Request timed out.
Request timed out.
Request timed out.
Request timed out.Ping statistics for 66.165.131.11:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),D:\Documents and Settings\Administrator>
mail.ssc-group.com 66.165.131.11可以解析,但ping不通,现在网络好像不允许走IMCP协议了。楼主可以开个21端口的ftp让大家连一下试试
也许是具体选择路由的问题,某些网络内的机器得到的具体路由可能经过了一些网关之类地方,而这些地方将ICMP协议禁止了,避免DOS攻击,于是就不通了。
也有可能是国内部分网关/路由不正常,时好时坏,国外进来的可能通过另外一个专门的网关/路由,是好的,就出现这种情况。
或者部分地区DNS解析出现了一些问题?下面是我这里的ping和tracert:
Microsoft Windows 2000 [Version 5.00.2195]
(C) 版权所有 1985-2000 Microsoft Corp.C:\>ping www.ssc-group.comPinging ssc-group.com [66.165.153.29] with 32 bytes of data:Reply from 66.165.153.29: bytes=32 time=230ms TTL=109
Reply from 66.165.153.29: bytes=32 time=241ms TTL=109
Reply from 66.165.153.29: bytes=32 time=230ms TTL=109
Reply from 66.165.153.29: bytes=32 time=230ms TTL=109Ping statistics for 66.165.153.29:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 230ms, Maximum = 241ms, Average = 232msC:\>ping mail.ssc-group.comPinging mail.ssc-group.com [66.165.131.11] with 32 bytes of data:Reply from 66.165.131.11: bytes=32 time=231ms TTL=109
Reply from 66.165.131.11: bytes=32 time=230ms TTL=109
Reply from 66.165.131.11: bytes=32 time=230ms TTL=109
Reply from 66.165.131.11: bytes=32 time=230ms TTL=109Ping statistics for 66.165.131.11:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 230ms, Maximum = 231ms, Average = 230msC:\>tracert www.ssc-group.comTracing route to ssc-group.com [66.165.153.29]
over a maximum of 30 hops: 1 <10 ms <10 ms <10 ms 10.110.1.1
2 10 ms 10 ms 10 ms 10.13.6.1
3 <10 ms <10 ms 10 ms 218.2.117.141
4 <10 ms <10 ms <10 ms 218.2.133.49
5 <10 ms <10 ms <10 ms 218.2.131.217
6 <10 ms 10 ms <10 ms 218.2.131.65
7 <10 ms 10 ms <10 ms 202.97.27.109
8 20 ms 10 ms 10 ms 202.97.39.109
9 20 ms 10 ms 10 ms 202.97.33.90
10 140 ms 130 ms 130 ms 202.97.51.206
11 130 ms 150 ms 141 ms sntcca2lch1-gige3-15.wcg.net [64.200.149.1]
12 210 ms 211 ms 220 ms sntcca1wcx1-pos1-0.wcg.net [64.200.149.9]
13 211 ms 210 ms 210 ms anhmca1wcx3-pos4-0-oc48.wcg.net [64.200.240.1]
14 210 ms 210 ms 211 ms hrndva1wcx2-oc48.wcg.net [64.200.240.30]
15 211 ms 210 ms 210 ms washdc5lcx1-pos5-0.wcg.net [64.200.240.194]
16 210 ms 210 ms 211 ms washdc5lcx1-nexgen-gige.wcg.net [64.200.88.86]
17 230 ms 220 ms 221 ms qcy-m20-at3-3-0.gnaps.net [199.232.44.54]
18 231 ms 230 ms 240 ms activehost.cust.gnaps.net [199.232.42.154]
19 230 ms 231 ms 230 ms alb-edge-01.activehost.com [66.165.129.10]
20 230 ms 231 ms 230 ms ssc-group.com [66.165.153.29]Trace complete.C:\>tracert mail.ssc-group.comTracing route to mail.ssc-group.com [66.165.131.11]
over a maximum of 30 hops: 1 <10 ms <10 ms <10 ms 10.110.1.1
2 * 10 ms 10 ms 10.13.6.1
3 <10 ms <10 ms 10 ms 218.2.117.141
4 10 ms <10 ms 10 ms 218.2.133.49
5 <10 ms <10 ms <10 ms 218.2.131.217
6 <10 ms <10 ms 10 ms 218.2.131.65
7 <10 ms 11 ms <10 ms 202.97.27.109
8 10 ms 10 ms 20 ms 202.97.39.109
9 20 ms 10 ms 10 ms 202.97.33.90
10 131 ms 140 ms 140 ms 202.97.51.206
11 140 ms 140 ms 140 ms sntcca2lch1-gige3-15.wcg.net [64.200.149.1]
12 211 ms 210 ms 220 ms sntcca1wcx1-pos1-0.wcg.net [64.200.149.9]
13 210 ms 210 ms 210 ms anhmca1wcx3-pos1-0.wcg.net [64.200.210.121]
14 210 ms 210 ms 210 ms hrndva1wcx2-oc48.wcg.net [64.200.240.30]
15 211 ms 210 ms 220 ms washdc5lcx1-pos5-0.wcg.net [64.200.240.194]
16 221 ms 210 ms 210 ms washdc5lcx1-nexgen-gige.wcg.net [64.200.88.86]
17 231 ms 220 ms 230 ms qcy-m20-at3-3-0.gnaps.net [199.232.44.54]
18 231 ms 260 ms 240 ms activehost.cust.gnaps.net [199.232.42.154]
19 230 ms 240 ms 231 ms alb-edge-01.activehost.com [66.165.129.10]
20 230 ms 250 ms 231 ms mail7.activehost.com [66.165.131.11]Trace complete.C:\>
如果不是的话,可能出现了域名冲突。如果是的话,你管他ping不ping得通,反正能够看到就行了。
后面两个ping得通
Request timed out.C:\Documents and Settings\Administrator>ping mail.ssc-group.comPinging mail.ssc-group.com [66.165.131.11] with 32 bytes of data:Request timed out.
Request timed out.大连不通
哪位顺便帮着测试一下我们的邮件系统是否可以连通,我们国内的同事往我这里发信,总是返回下面的错误,我自己登录 sina.com.cn 和 中国 yahoo 试验了一下,发现也出同样错误,可怜我是做开发的,对系统管理并不在行。Message from yahoo.com.
Unable to deliver message to the following address(es).<[email protected]>:
Sorry, I couldn't find a mail exchanger or IP address. (#5.4.4)请大家给 [email protected] 发一个信看看是否同样有问题。多谢了,占用了大家这么多时间。
[email protected]
Unable to deliver message to the following address(es).<[email protected]>:
Sorry, I couldn't find a mail exchanger or IP address. (#5.4.4)--- Original message follows.