iP or domain name lookup

xa.ctfs.ftn.qq.com Server iP：

Current resolution：

domain resolution record：

2018-12-27-----2024-01-26 0.0.0.1

2017-01-23-----2017-11-12 113.142.13.187

2017-01-23-----2017-11-10 113.142.13.191

2017-01-23-----2017-11-10 123.138.162.90

2017-01-23-----2017-11-10 113.142.21.87

2017-01-23-----2017-11-10 113.142.13.185

2017-07-29-----2017-11-10 113.142.21.89

2017-07-29-----2017-11-10 113.142.13.186

2017-08-04-----2017-11-10 123.138.162.78

2017-11-10-----2017-11-10 211.137.142.162

2017-01-23-----2017-08-04 113.142.13.188

2017-01-23-----2017-08-04 211.137.142.159

2017-01-23-----2017-08-04 123.138.162.87

2017-08-04-----2017-08-04 211.137.142.158

2017-01-23-----2017-07-29 113.142.21.90

2017-01-23-----2017-07-29 211.137.142.160

2017-01-23-----2017-07-29 113.142.21.88

2017-01-23-----2017-01-23 211.137.142.161