iP or domain name lookup

1n6397w431.iok.la Server iP：

Current resolution：

domain resolution record：

2019-07-14-----2022-03-15 61.142.176.23

2017-06-13-----2017-06-13 14.155.113.20

2017-01-16-----2017-01-16 14.155.113.13

2017-01-15-----2017-01-15 14.153.238.89

2017-01-15-----2017-01-15 14.153.237.57

2017-01-15-----2017-01-15 14.155.112.37

2017-01-15-----2017-01-15 14.155.114.154

2017-01-15-----2017-01-15 14.155.115.152

2017-01-15-----2017-01-15 14.155.113.221

2017-01-15-----2017-01-15 14.155.113.33

2017-01-15-----2017-01-15 14.155.115.165