if i login using ssh hemanth@68.183.90.158 in terminal, with in a minutes connection is closing by host, how increase duration time? and what is the problem ?

hi i purchesd new domain like vtuallinoneresources.com in nextraone hosting services . then i replaced the servername space to ns1,2,3 digital ocean i checked the "https://www.inmotionhosting.com/support/tools/visu...