iP or domain name lookup

ymdg.560ka.cn Server iP：

Current resolution：

domain resolution record：

2020-12-10-----2020-12-10 47.240.5.121

2020-02-26-----2020-02-27 43.241.50.43

2019-07-19-----2019-07-19 43.248.191.107

2017-08-10-----2017-08-10 122.190.3.239

2017-08-09-----2017-08-09 58.211.137.239

2017-08-09-----2017-08-09 117.34.14.239

2017-08-09-----2017-08-09 42.236.94.239

2017-08-09-----2017-08-09 162.159.211.65

2017-08-09-----2017-08-09 115.231.187.239