iP or domain name lookup

mail.artmtech.com Server iP：

Current resolution：

domain resolution record：

2022-04-05-----2023-09-13 81.71.56.226

2022-04-05-----2023-09-13 112.90.80.23

2022-04-05-----2023-09-13 129.226.106.19

2022-04-05-----2022-04-05 112.53.42.14

2022-04-05-----2022-04-05 14.17.5.207

2018-10-26-----2020-12-22 183.232.94.57

2018-10-26-----2020-12-22 163.177.89.176

2019-09-13-----2020-12-22 113.96.233.160

2020-12-21-----2020-12-22 121.51.176.76

2018-10-26-----2019-09-28 182.254.38.92

2018-10-26-----2018-10-26 183.3.226.106