iP or domain name lookup

www.it-bt.com Server iP：

Current resolution：

domain resolution record：

2023-02-10-----2023-03-30 156.235.199.168

2022-10-17-----2022-10-17 137.220.136.144

2022-09-01-----2022-09-01 137.220.214.160

2019-06-17-----2019-08-24 58.211.137.240

2019-06-17-----2019-08-24 42.236.94.240

2019-07-16-----2019-08-24 117.34.14.240

2019-07-16-----2019-08-24 162.159.210.4

2019-07-17-----2019-08-24 122.190.3.240

2019-06-17-----2019-06-17 162.159.211.4

2016-11-02-----2016-11-02 203.171.237.68