Dell POWEREDGE M1000E - Manual (Page 124)

124 Setting Basic Network Information
Domain Name Server
Use the Domain Name Server page to configure the IP address of the DNS
server. The switch uses the DNS server to translate hostnames into IP
addresses.
To display the Domain Name Server page, click System → IP Addressing →
Domain Name Server in the navigation panel.
Figure 7-5. DNS Server
To configure DNS server information, click the Add link and enter the IP
address of the DNS server in the available field.
Figure 7-6. Add DNS Server