Pete Biggs writes: > > > > 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. > > > > Does > > host -N2 foo.subdomain > > work on CentOS 8? Does it work if you put ndots: 2 in resolv.conf? > > There may have been a change in behaviour - from the tests I've done it > seems more like it's fixing a bug/inconsistency somewhere because doing > > host -N1 foo.subdomain > > should not work, but it does on CentOS 7. Interesting. Yes, host -N2 works, as does ndots:2.