[CentOS] CentOS 8 DNS resolution not working as expected

Thu Aug 6 09:39:58 UTC 2020
Pete Biggs <pete at biggs.org.uk>

On Thu, 2020-08-06 at 10:26 +0100, isdtor wrote:
> [root at localhost ~]# lsb_release -d
> Description:	CentOS Linux release 8.2.2004 (Core) 
> [root at localhost ~]# cat /etc/resolv.conf 
> # Generated by NetworkManager
> search subdomain.company.com company.com
> nameserver
> nameserver
> [root at localhost ~]# host foo
> foo.subdomain.company.com has address
> [root at localhost ~]# host foo.subdomain
> Host foo.subdomain not found: 3(NXDOMAIN)
> [root at localhost ~]# host foo.subdomain.company.com
> foo.subdomain.company.com has address
> [root at localhost ~]# 
> The expected result is that the lookup for foo.subdomain works, like it does under CentOS < 8.

man host

       -N ndots
           The number of dots that have to be in name for it to be considered absolute. The default value is that defined using
           the ndots statement in /etc/resolv.conf, or 1 if no ndots statement is present. Names with fewer dots are interpreted
           as relative names and will be searched for in the domains listed in the search or domain directive in