iP or domain name lookup

der.er11.cn Server iP：

Current resolution：

domain resolution record：

2020-12-04-----2020-12-04 223.111.153.171

2020-12-04-----2020-12-04 119.188.77.142

2020-12-04-----2020-12-04 223.111.96.25

2020-12-04-----2020-12-04 112.47.4.150

2020-12-04-----2020-12-04 223.111.108.40

2020-12-04-----2020-12-04 117.187.206.24

2020-12-04-----2020-12-04 36.159.114.146

2020-12-04-----2020-12-04 182.254.59.207

2020-12-04-----2020-12-04 27.221.30.148

2020-12-04-----2020-12-04 58.216.107.24

2020-12-04-----2020-12-04 42.81.125.27

2020-12-04-----2020-12-04 180.96.32.88