iP or domain name lookup

s16504229f.iok.la Server iP：

Current resolution：

domain resolution record：

2017-06-11-----2020-05-31 61.142.176.23

2017-06-11-----2017-06-11 120.8.196.90

2017-05-31-----2017-06-02 101.23.135.241

2017-04-05-----2017-04-05 60.5.163.246

2017-04-03-----2017-04-03 121.24.217.170

2017-03-15-----2017-03-25 218.11.114.228

2017-03-25-----2017-03-25 120.8.115.179

2017-03-11-----2017-03-12 218.11.114.141

2017-02-24-----2017-02-24 121.24.222.221

2017-02-01-----2017-02-04 110.248.69.104