[Dnsmasq-discuss] I've lost my ability to resolve local machine names without a domain suffix

Geert Stappers stappers at stappers.nl
Sat Oct 19 20:00:27 BST 2019

On Sat, Oct 19, 2019 at 07:31:49PM +0100, Chris Green wrote:
> I've run dnsmasq for several years on my small home LAN.  I'm running
> dnsmasq on a raspberry-pi and most of the client machines on the LAN
> are linux (xubuntu).
> I've suddenly lost the ability to resolve local machine names without
> a domain suffix, e.g.:-
>     On the Raspberry Pi itself:-
>     chris at newdns$ host esprimo
>     Host esprimo not found: 3(NXDOMAIN)
>     chris at newdns$ host esprimo.zbmc.eu
>     esprimo.zbmc.eu has address
>     chris at newdns$ 
> ... and on a Linux machine on the LAN:-
>     chris$ host t470
>     Host t470 not found: 2(SERVFAIL)
>     chris$ host t470.zbmc.eu
>     t470.zbmc.eu has address
>     chris$ 
> So what's gone wrong/changed?  The raspberry pi is pretty up to date:-
>     chris at newdns$ uname -a
>     Linux newdns 4.19.66-v7+ #1253 SMP Thu Aug 15 11:49:46 BST 2019 armv7l GNU/Linux
>     chris at newdns$ more /etc/issue
>     Raspbian GNU/Linux 9 \n \l
>     chris at newdns$ dnsmasq --version
>     Dnsmasq version 2.76  Copyright (c) 2000-2016 Simon Kelley
>     Compile time options: IPv6 GNU-getopt DBus i18n IDN DHCP DHCPv6 no-Lua TFTP conntrack ipset auth DNSSEC loop-detect inotify
>     This software comes with ABSOLUTELY NO WARRANTY.
>     Dnsmasq is free software, and you are welcome to redistribute it
>     under the terms of the GNU General Public License, version 2 or 3.
>     chris at newdns$ 
> I don't *think* I've changed anything in /etc/dnsmasq.conf recently.
> Help!! :-)

On a Linux system
  grep -e search -e domain /etc/resolv.conf

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