BenLi
2009-12-05, 07:17 PM
有點 lag 了,不過還是跟大家分享一下
http://code.google.com/speed/public-dns/
The Google Public DNS IP addresses are as follows:
* 8.8.8.8
* 8.8.4.4
試用了一天,沒有出現什麼問題
但是跟另一個 OpenDNS一樣原本會導向到 ISP 內部的 CDN 服務(如 akamai、llnwd 等)則會導向到海外去
EX.
ISP 提供的 DNS
C:\Program Files\cFosSpeed>tracert download.microsoft.com
Tracing route to a767.ms.akamai.net [61.30.236.134]
over a maximum of 30 hops:
1 1 ms 1 ms <1 ms 192.168.0.1
2 13 ms 19 ms 13 ms 211-78-222-113.static.tfn.net.tw [211.78.222.113]
3 13 ms 13 ms 12 ms 10.36.21.33
4 15 ms 14 ms 13 ms 60-199-17-5.static.tfn.net.tw [60.199.17.5]
5 15 ms 22 ms 16 ms 60-199-6-5.static.tfn.net.tw [60.199.6.5]
6 13 ms 13 ms 13 ms 60-199-6-126.static.tfn.net.tw [60.199.6.126]
7 13 ms 13 ms 14 ms 61-30-236-134.static.tfn.net.tw [61.30.236.134]
Trace complete.
Google DNS
C:\Program Files\cFosSpeed>tracert download.microsoft.com
Tracing route to mscom-dlc.vo.llnwd.net [117.121.254.231]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 192.168.0.1
2 14 ms 14 ms 13 ms 211-78-222-113.static.tfn.net.tw [211.78.222.113]
3 13 ms 13 ms 13 ms 10.36.17.33
4 19 ms 13 ms 14 ms 60-199-17-149.static.tfn.net.tw [60.199.17.149]
5 13 ms 12 ms 13 ms 60-199-6-2.static.tfn.net.tw [60.199.6.2]
6 15 ms 13 ms 14 ms 60-199-17-54.static.tfn.net.tw [60.199.17.54]
7 13 ms 18 ms 14 ms 60-199-17-74.static.tfn.net.tw [60.199.17.74]
8 146 ms 150 ms 143 ms 60-199-6-54.static.tfn.net.tw [60.199.6.54]
9 147 ms 148 ms 150 ms llnw.com.any2ix.coresite.com [206.223.143.16]
10 154 ms 161 ms 151 ms tge9-3.fr4.sjc.llnw.net [69.28.172.54]
11 158 ms 152 ms 152 ms tge1-2.fr3.sjc.llnw.net [69.28.171.209]
12 165 ms 163 ms 172 ms tge9-2.fr3.tyo3.llnw.net [203.77.184.246]
13 161 ms 168 ms 163 ms ve5.fr4.tyo3.llnw.net [203.77.184.230]
14 164 ms 162 ms 166 ms cds92.hnd.llnw.net [117.121.254.231]
Trace complete.
贊助商連結
http://code.google.com/speed/public-dns/
The Google Public DNS IP addresses are as follows:
* 8.8.8.8
* 8.8.4.4
試用了一天,沒有出現什麼問題
但是跟另一個 OpenDNS一樣原本會導向到 ISP 內部的 CDN 服務(如 akamai、llnwd 等)則會導向到海外去
EX.
ISP 提供的 DNS
C:\Program Files\cFosSpeed>tracert download.microsoft.com
Tracing route to a767.ms.akamai.net [61.30.236.134]
over a maximum of 30 hops:
1 1 ms 1 ms <1 ms 192.168.0.1
2 13 ms 19 ms 13 ms 211-78-222-113.static.tfn.net.tw [211.78.222.113]
3 13 ms 13 ms 12 ms 10.36.21.33
4 15 ms 14 ms 13 ms 60-199-17-5.static.tfn.net.tw [60.199.17.5]
5 15 ms 22 ms 16 ms 60-199-6-5.static.tfn.net.tw [60.199.6.5]
6 13 ms 13 ms 13 ms 60-199-6-126.static.tfn.net.tw [60.199.6.126]
7 13 ms 13 ms 14 ms 61-30-236-134.static.tfn.net.tw [61.30.236.134]
Trace complete.
Google DNS
C:\Program Files\cFosSpeed>tracert download.microsoft.com
Tracing route to mscom-dlc.vo.llnwd.net [117.121.254.231]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 192.168.0.1
2 14 ms 14 ms 13 ms 211-78-222-113.static.tfn.net.tw [211.78.222.113]
3 13 ms 13 ms 13 ms 10.36.17.33
4 19 ms 13 ms 14 ms 60-199-17-149.static.tfn.net.tw [60.199.17.149]
5 13 ms 12 ms 13 ms 60-199-6-2.static.tfn.net.tw [60.199.6.2]
6 15 ms 13 ms 14 ms 60-199-17-54.static.tfn.net.tw [60.199.17.54]
7 13 ms 18 ms 14 ms 60-199-17-74.static.tfn.net.tw [60.199.17.74]
8 146 ms 150 ms 143 ms 60-199-6-54.static.tfn.net.tw [60.199.6.54]
9 147 ms 148 ms 150 ms llnw.com.any2ix.coresite.com [206.223.143.16]
10 154 ms 161 ms 151 ms tge9-3.fr4.sjc.llnw.net [69.28.172.54]
11 158 ms 152 ms 152 ms tge1-2.fr3.sjc.llnw.net [69.28.171.209]
12 165 ms 163 ms 172 ms tge9-2.fr3.tyo3.llnw.net [203.77.184.246]
13 161 ms 168 ms 163 ms ve5.fr4.tyo3.llnw.net [203.77.184.230]
14 164 ms 162 ms 166 ms cds92.hnd.llnw.net [117.121.254.231]
Trace complete.
贊助商連結