[RFCI-Discuss] wirralnews.com

[Derek J. Balling]

On Sep 6, 2007, at 12:18 PM, Alex van den Bogaerdt wrote:
> But if there are no NS servers, then any record has to be bogus,  
> right?

But if there are no NS servers, should I simply list the domain? How  
about if I get a submission for ASKDASKLDJASKLDA.COM? Is that  
"bogusmx" material?

> Ask the root servers who to ask.  They return name servers.
> Ask all of those servers for SOA and NS records.
>
> If the authoritative answers give zero results, the zone does
> not exist.  This means there cannot be MX records either. Any
> MX answer has to be bogus.

But that's not how the zone is defined. That might be how a bogusns  
zone might be defined, but what you're describing would make a "dns  
misconfiguration" (e.g., forgetting to put NS records for your own  
zone inside itself) into a "bogusmx" case, even if the MX is otherwise  
valid (e.g., ". IN MX 0 mail.mydomain.com."), which is not really in  
alignment with the goals of the zone.

D

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