BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT "Illegal"

Carl Byington carl at five-ten-sg.com
Fri Jan 30 17:08:21 UTC 2009


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On Thu, 29 Jan 2009 22:33:24 -0800, Al Stu wrote:

> Analyze this.



> Query MX dns.com

> Response MX nullmx.domainmanager.com



> Query A nullmx.domainmanager.com

> Response CNAME mta.dewile.net, A 64.40.103.249


So the fact that other random folks make errors in their dns is suprising,
or do you wish to use the existence of those errors to justify making those
same errors yourself?

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