Summary
www.anz.com.vn has one IP number , which is the same as for
anz.com.vn, but no corresponding reverse pointer.
oke.vn,
vnb.vn,
vni.vn,
bida.vn,
nhabe.com and at least 100 other hosts point to the same IP.
anz.com.vn is delegated to three nameservers, however one delegated nameserver is missing in the zone and one other nameserver is listed instead. Two nameservers have the same IP number. Two of them are on the same IP network.
www.anz.com.vn is hosted on a server in Vietnam.