iP or domain name lookup

yn889.iask.in Server iP：

Current resolution：

domain resolution record：

2020-12-26-----2020-12-26 47.111.82.157

2019-07-09-----2019-10-11 61.142.176.23

2019-03-25-----2019-03-25 103.46.128.49

2016-12-20-----2017-04-06 103.44.145.245

2016-12-19-----2016-12-19 180.88.51.112

2016-12-19-----2016-12-19 122.228.19.57