Bind 9.4.2 not resolving one domain

[caio]

Chris Buxton escribió:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> That still sounds like a performance problem, as Kevin hinted.
> 
> In this case, the qname is an alias of an alias (bad, but not uncommon), 
> and all three names are in different zones.
> 
> www.yahoo.com.ar.    1800    IN    CNAME    hp2.latam.g1.b.yahoo.com.
> hp2.latam.g1.b.yahoo.com. 300    IN    CNAME    
> us.hp2.latam.a1.b.yahoo.com.
> us.hp2.latam.a1.b.yahoo.com. 300 IN    A    98.136.43.19
> 
> That's at least 9 queries if the cache is empty at the beginning, more 
> if the resolver is verifying glue records.
> 
> What happens if you try the query again a few seconds later?
> 

that's the point Chris.
ramdomly the query is resolved OK, and doing nothing, after a while 
again the query start to fails...
I could only discover the fail with that qname.
just to test, do you know about another similar qname? which has many cname?

--
caio