[Dnsmasq-discuss] DNS/host lookup delay, how to diagnose?

Geert Stappers stappers at stappers.nl
Thu Feb 20 20:59:14 GMT 2020


> > Here is the result of a query that took 5 seconds in 'host':-
> > 
> >     Feb 20 09:24:05 newdns dnsmasq[465]: 15 192.168.1.92/52420 query[A] esprimo.zbmc.eu from 192.168.1.92
> >     Feb 20 09:24:05 newdns dnsmasq[465]: 15 192.168.1.92/52420 /etc/hosts esprimo.zbmc.eu is 192.168.1.3
> >     Feb 20 09:24:06 newdns dnsmasq[465]: 16 192.168.1.92/52342 query[AAAA] esprimo.zbmc.eu from 192.168.1.92
> >     Feb 20 09:24:06 newdns dnsmasq[465]: 16 192.168.1.92/52342 config esprimo.zbmc.eu is NODATA-IPv6
  ...
> 
> Chart all compoments, shared the new map with us, tell again the situation.

Make a "drawing" like

*  ISP provides DNS  at  ....
*  router is transparent to  DNS-traffic
*  LAN is  192.168.1.0/24
*  on that LAN is  server "newdns"  running  Dnsmasq
*  Dnsmasq is on LAN authoritive for   "domain"  zbmc.eu
*  Local dns data comes from
*  Client that expriences the problem is ...   ...  ....
*  Command to reproduce the problem is _______________
*  Observations of the problem __________




Geert Stappers
In an odd way expressing
  Seen the posting, good luck with describing the problem
-- 
Silence is hard to parse



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