[Dnsmasq-discuss] negative caching

[Cabrera Erwin-W30163]

I am calling DNSMASQ version 2.25 without the "-N" option for turning
off negative caching.   
 
For valid domain names, I see messages in the DNSMASQ log indicating
that a query was received, forwarded  to the designated DNS server, and
a reply received from the DNS server.  Also, the correct information
appears in the cache. The NSlookup application returns the correct
address(es).
 
For invalid domain names, I see log messages indicating that a query was
received and forwarded, but no replies from the DNS server.  The
NSlookup application returns Host not found.  tcpdump indicates that a
response was received from the DNS server.  I was expecting to see
negative cache entries in the cache, but no entries for the invalid
domain names appear in the cache.
 
I am doing something wrong or missing something?
 
Thanks,
Erwin R. Cabrera

 
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