iP or domain name lookup

www.ptcsense.com Server iP：

Current resolution：

domain resolution record：

2021-10-15-----2022-05-18 3.64.163.50

2020-09-22-----2021-09-25 72.52.178.23

2019-11-17-----2019-12-02 198.54.117.198

2019-11-17-----2019-12-02 198.54.117.197

2019-11-17-----2019-12-02 198.54.117.199

2019-12-02-----2019-12-02 198.54.117.200

2019-08-15-----2019-09-27 173.249.54.220

2016-11-24-----2016-11-24 167.114.140.212