iP or domain name lookup

vip.book.sina.com.cn Server iP：

Current resolution：

domain resolution record：

2019-07-10-----2023-10-30 123.126.45.98

2019-07-10-----2023-10-29 49.7.37.46

2023-08-18-----2023-10-29 49.7.36.116

2019-07-10-----2022-07-15 39.156.6.176

2017-09-25-----2019-01-30 123.125.22.249

2018-04-03-----2019-01-30 221.179.175.207

2018-04-03-----2019-01-30 180.149.136.195

2019-01-30-----2019-01-30 123.125.29.114

2017-09-25-----2017-09-26 221.179.190.250