Show all Duplicate value of a specific column in mysql

id name phone
1  google 5689
2  msn  63699
3  google 78972
4  yahoo  20144

I want to show the result like this

id name phone
1  google 5689
3  google 78972

select *
from ax
where name1 in (select name1 from ax group by name1 having count(name1)>1)