Summary
ns2.netway.cz has one IP number , which also has a corresponding reverse pointer.
co.cz,
ezv.cz,
aba.cz,
dbh.cz,
als.cz and at least 100 other hosts use this as a nameserver.
netway.cz is a domain controlled by two nameservers at
netway.cz themselves. They are on different IP networks. Incoming mail for
netway.cz is handled by two mailservers also at
netway.cz. They are on different IP networks.
ns2.netway.cz is hosted on a server in Czech Republic.