iP or domain name lookup

mail.hdl-sh.com Server iP：

Current resolution：

domain resolution record：

2019-07-19-----2019-07-19 47.89.74.71

2019-07-19-----2019-07-19 42.120.226.22

2019-07-19-----2019-07-19 42.120.226.15

2019-07-19-----2019-07-19 42.156.140.172

2019-07-19-----2019-07-19 42.120.226.19

2017-02-15-----2017-02-15 120.198.201.151

2017-02-15-----2017-02-15 112.90.77.178

2017-02-15-----2017-02-15 14.17.42.118

2017-02-15-----2017-02-15 183.60.15.173

2017-02-15-----2017-02-15 183.232.88.174