iP or domain name lookup

btf.org.cn Server iP：

Current resolution：

domain resolution record：

2025-08-12-----2025-08-26 54.153.56.183

2021-04-22-----2023-03-25 121.42.88.57

2017-10-19-----2019-10-02 121.42.105.151

2017-10-19-----2017-10-20 220.181.105.241

2017-10-20-----2017-10-20 112.5.251.18

2017-10-19-----2017-10-19 42.81.4.45

2017-10-19-----2017-10-19 223.82.136.181

2017-10-19-----2017-10-19 220.181.105.240

2017-10-19-----2017-10-19 121.9.212.221

2017-10-19-----2017-10-19 171.111.154.211

2017-10-19-----2017-10-19 122.225.34.187

2017-10-19-----2017-10-19 123.129.244.217