iP or domain name lookup

gushuai.synology.me Server iP：

Current resolution：

domain resolution record：

2022-09-19-----2022-09-28 218.81.176.241

2022-08-05-----2022-08-05 218.81.151.39

2021-07-29-----2021-08-05 218.81.150.110

2019-11-04-----2019-11-04 101.80.166.189

2019-11-04-----2019-11-04 218.81.146.163

2019-11-04-----2019-11-04 101.80.165.137