How config DNS in Switch Nexus 3000

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/system_mgmt/503_U5_1/b_3k_System_Mgmt_Config_503_u5_1/b_3k_System_Mgmt_Config_503_u5_1_chapter_01101.pdf