iP or domain name lookup

pg7.rc9899.com Server iP：

Current resolution：

domain resolution record：

2019-06-11-----2019-09-08 45.199.157.121

2017-12-12-----2017-12-12 103.197.69.122

2017-12-12-----2017-12-12 103.197.69.145

2017-12-12-----2017-12-12 103.197.69.111

2017-12-12-----2017-12-12 45.125.50.67

2017-12-12-----2017-12-12 43.230.115.41

2017-12-12-----2017-12-12 103.197.69.115

2017-12-12-----2017-12-12 103.197.69.123

2017-12-12-----2017-12-12 103.197.69.151

2017-12-12-----2017-12-12 103.197.69.146