Unable to query DNS with DOMAIN from dnsmasq server

When doing nslookup, dnsmasq server could not reply the DNS with DOMAIN, but able to reply short dns name only. Following message may appear.

# nslookup www
....
dnsmasq server can't find www.example.com: NXDOMAIN

Solution

The reason is that DNS entries in dnsmasq host file (default is banner_add_hosts) has no domain name

192.168.1.1  www

In dnsmasq.conf file

Following lines are required. The expand-hosts option allows appending the domain name defined in domain line to short hostname in host file

domain=example.com,192.168.1.0/24
expand-hosts

References