iP or domain name lookup

pblt.7766.org Server iP：

Current resolution：

domain resolution record：

2020-12-04-----2020-12-04 52.128.23.153

2020-11-20-----2020-12-01 69.172.201.208

2019-06-06-----2019-11-29 23.23.86.44

2018-01-23-----2018-01-23 171.38.150.154

2017-12-15-----2017-12-16 171.38.149.93

2017-09-05-----2017-09-05 171.38.150.55

2017-09-04-----2017-09-04 171.38.151.36

2017-09-03-----2017-09-03 171.38.149.44

2017-08-26-----2017-08-27 171.38.151.159

2017-01-01-----2017-01-01 171.38.151.223