3 Using a TCP/IP Network3-20 TCP/IPv6 Settings7. On the TCP/IP Settings screen, press [DNS Settings] ā [DNS ServerAddress Settings].8. In , specify the following.If you want to use dynamic DNS updating, enter the IPv6 address of the DNS server in[Primary DNS Server].If you do not want to specify a secondary DNS server, leave [Secondary DNS Server] blank.You cannot enter any of the following types of address for [Primary DNS Server] or [Secondary DNSServer]:Multicast addressAddress composed entirely of zerosLink local addressIf you set overwritten.