iP or domain name lookup

by.baitai7.cn Server iP：

Current resolution：

domain resolution record：

2020-09-17-----2020-09-17 47.91.17.82

2019-10-06-----2019-10-13 45.204.243.199

2019-07-10-----2019-07-10 52.79.208.116

2017-11-28-----2017-11-28 118.190.203.214

2017-08-12-----2017-08-13 183.131.222.100

2017-08-12-----2017-08-12 59.37.85.182