Re: Is my BIND Server's Cache Poisioned ?

2005-06-30 Thread Joe Shen
Hi, thanks for the help. Because IPv6 aware nameservers make queries for the IPv6 addresses of the nameservers and as a result see the NXDOMAIN / CNAME. The IPv4 only nameservers don't make these queries, as a matter of practice, and only see the

Re: Is my BIND Server's Cache Poisioned ?

2005-06-30 Thread Fergie (Paul Ferguson)
Maybe Congress uncovered that mystery in their IPv6 hearings. ;-) http://www.techweb.com/wire/ebiz/164903883 - ferg -- william(at)elan.net [EMAIL PROTECTED] wrote: On Thu, 30 Jun 2005, Mark Andrews wrote: No. These are just a mis-configured zones. hangzhou.gov.cn only has

Is my BIND Server's Cache Poisioned ?

2005-06-29 Thread Joe Shen
Hi, I met a strange problem with my cache server, which runs BIND9.3.1. In past days, our customers complaint that three domain names (www.hangzhou.gov.cn, www.zpepc.com.cn) could not be resolved frequently. I checked on the cache server and found, when the cache server could not resolve

Re: Is my BIND Server's Cache Poisioned ?

2005-06-29 Thread Mark Andrews
i On Thu, 30 Jun 2005, Mark Andrews wrote: No. These are just a mis-configured zones. hangzhou.gov.cn only has glue records for the nameservers. zpepc.com.cn has CNAMEs for the nameservers. Both of these misconfigurations are visible to nameservers that are