iP or domain name lookup

hongseninstall.synology.me Server iP：

Current resolution：

domain resolution record：

2021-08-30-----2021-08-30 119.131.221.108

2021-07-28-----2021-07-28 119.131.221.185

2021-07-15-----2021-07-15 119.131.221.144

2021-06-22-----2021-06-22 119.131.221.45

2020-01-03-----2020-01-03 119.129.225.243

2019-07-24-----2019-07-24 183.5.97.182

2019-07-23-----2019-07-23 116.21.173.202

2017-08-10-----2017-08-10 113.109.183.161