Question about BIND's handling of mismatched glue

Simon Waters Simon at wretched.demon.co.uk
Tue Nov 12 15:04:12 UTC 2002



Ollie Cook wrote:
> 
>   Does BIND trust the glue from the GTLD servers?

Mangled glue and a servfail from the second server must be
responsible somehow, but I haven't sorted through the mess of
delegations.

I can however answer this question, when BIND 9 gets a NS
response from an authoritative server it throws away the
response from the GTLD servers. So it "trusts" it for the
purpose of finding an authoritative server, but authoritative
servers must also have accurate NS records for the zone as it
trusts them more. In this sense it defers from BIND 8 slightly.




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