iP or domain name lookup

mail.yeastar.com Server iP：

Current resolution：

domain resolution record：

2023-09-12-----2023-09-12 129.226.106.19

2023-09-12-----2023-09-12 81.71.56.226

2023-09-12-----2023-09-12 112.90.80.23

2017-07-04-----2017-07-07 112.90.78.157

2017-07-04-----2017-07-07 183.3.235.69

2017-07-04-----2017-07-07 14.17.42.118

2017-07-04-----2017-07-07 112.90.77.178

2017-07-05-----2017-07-07 120.198.201.151

2017-07-04-----2017-07-04 183.232.88.174