iP or domain name lookup

www.ptcheck.com Server iP：

Current resolution：

domain resolution record：

2019-08-18-----2025-03-18 39.100.97.242

2019-08-18-----2022-03-05 39.98.246.195

2020-04-15-----2020-06-16 39.98.77.183

2017-09-23-----2018-09-27 118.178.98.107

2018-09-27-----2018-09-27 120.27.140.90

2017-03-23-----2017-03-24 120.26.192.74

2017-03-23-----2017-03-23 121.41.169.190

2017-03-23-----2017-03-23 120.26.192.35