iP or domain name lookup

f1.ys.laoren.com Server iP：

Current resolution：

domain resolution record：

2019-07-12-----2023-11-09 114.55.172.78

2017-06-08-----2017-06-08 116.31.127.36

2017-06-08-----2017-06-08 157.255.26.141

2017-06-08-----2017-06-08 117.34.14.72

2017-06-08-----2017-06-08 112.25.91.72

2017-06-08-----2017-06-08 220.170.186.141

2017-06-08-----2017-06-08 125.39.174.72

2017-06-08-----2017-06-08 162.159.210.82

2017-06-08-----2017-06-08 58.211.137.72