iP or domain name lookup

www.sierac.cn Server iP：

Current resolution：

domain resolution record：

2023-02-10-----2024-02-06 211.149.140.78

2017-09-02-----2019-07-12 61.188.37.220

2017-09-02-----2017-09-14 183.245.147.180

2016-11-12-----2017-02-14 118.123.253.138

2016-11-12-----2017-02-14 121.201.3.198

2017-02-14-----2017-02-14 121.201.3.223

2016-11-12-----2016-11-12 116.255.233.179

2016-11-12-----2016-11-12 116.255.137.134

2016-11-12-----2016-11-12 121.201.23.41