What are the Benefits of using DNS Server?

Benefits of DNS Server

1.Capable of providing security.
2.Errors are automatically checked.
3.Ease of using. 4.Flexibility of use.
 5.Consistent to use. 6.Easy to maintain.
7.No need to memorise numbers.
8.Domain names makes / gives a kind of sense to hyper links when a name is given instead of a string of numbers .