资料

anycast介绍

dns anycast实作

anycast 对比 unicast 的好处

cisco Challenges to DNS Scaling

icann 2009.08.Scaling the Root Report on the Impact on the DNS Root System of Increasing the Size and Volatility of the Root Zone

icann 2009.09.Root Scaling Study Description of the DNS Root Scaling Model

icann 2010.10 Summary of the Impact of Root Zone Scaling

根镜像

全球根服务:http://www.iana.org/domains/root/servers

全球根镜像:http://www.root-servers.org/map/

F根

看当前访问的F根的镜像

dig hostname.bind @f.root-servers.net chaos txt
traceroute @f.root-servers.net

K根

看当前访问的K根的镜像

dig id.server @k.root-servers.net chaos txt
traceroute @k.root-servers.net

L根

参考draft-jabley-dnsop-anycast-mapping-04

看L根的镜像列表

dig NODES.L.ROOT-SERVERS.ORG TXT +short +tcp

看当前访问的L根的镜像

dig -4 @L.ROOT-SERVERS.NET ID.SERVER CH TXT +short
dig -6 @L.ROOT-SERVERS.NET ID.SERVER CH TXT +short
dig IDENTITY.L.ROOT-SERVERS.ORG TXT +short 
dig IDENTITY.L.ROOT-SERVERS.ORG A +short

TLD 镜像

ORG

看当前访问的.ORG TLD镜像:

dig whoareyou.ultradns.net @tld1.ultradns.net
dig whoareyou.ultradns.net @tld2.ultradns.net 


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Published

20 June 2013

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