Setup 3VarioLink 2221/2821/3621 3-153.4 DNS SettingsSettings can be specified for the following.Item DescriptionDNS Setting Specify "YES" or "NO" for the DNS (Domain Name System).When using a DNS server within a network, specify "YES".When not using a DNS server within a network, specify "NO".When using an external server such as an Internet provider,specify "NO" if the IP address of the e-mail server is public. Ifthe DNS name of the e-mail server is public and the IP addressis not public, specify "YES".For details on the network environment, contact the networkadministrator.Host Name Specify the host name of this machine.Contact the network administrator for the information to be en-tered.Specify when "DNS Setting" is set to "YES".Domain Name Specify the domain name of the DNS server.Contact the network administrator for the information to be en-tered.Specify when "DNS Setting" is set to "YES".DNS Server Address Specify the IP addresses of the DNS server.Contact the network administrator for the information to be en-tered.Specify when "DNS Setting" is set to "YES".