Pete Biggs writes: > 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 22.214.171.124 > > nameserver 126.96.36.199 > > > > [root at localhost ~]# host foo > > foo.subdomain.company.com has address 188.8.131.52 > > > > [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 184.108.40.206 > > [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 > /etc/resolv.conf. As per man resolv.conf, the default setting hasn't changed. It is n=1 on all of CentOS 6/7/8.