in the old situation one could see at first glance where a root server is located. With the ABC list system that's no longer possible.

It is at second glance. -- Eric [] for SERVER in A B C D E F G H I [] do [] host -t txt ${SERVER}.root-servers.net [] done A.root-servers.net TXT "formerly ns.internic.net" B.root-servers.net TXT "formerly ns1.isi.edu" C.root-servers.net TXT "formerly c.psi.net" D.root-servers.net TXT "formerly terp.umd.edu" E.root-servers.net TXT "formerly ns.nasa.gov" F.root-servers.net TXT "formerly ns.isc.org" G.root-servers.net TXT "formerly ns.nic.ddn.mil" H.root-servers.net TXT "formerly aos.arl.army.mil" I.root-servers.net TXT "formerly nic.nordu.net"