iP or domain name lookup

app.ac20.pw Server iP：

Current resolution：

domain resolution record：

2020-12-15-----2020-12-15 52.128.23.153

2017-05-30-----2017-06-11 117.34.14.217

2017-05-30-----2017-06-11 42.236.94.245

2017-05-30-----2017-06-11 58.211.137.217

2017-05-30-----2017-06-11 162.159.209.42

2017-05-30-----2017-06-11 125.39.174.217

2017-05-30-----2017-06-11 116.31.127.217

2017-06-10-----2017-06-11 103.48.171.234

2017-06-10-----2017-06-11 103.48.169.225

2017-06-11-----2017-06-11 139.159.229.162

2017-06-11-----2017-06-11 59.51.81.244

2017-06-10-----2017-06-10 103.214.141.208

2017-05-30-----2017-06-07 162.159.208.42

2017-06-05-----2017-06-05 222.186.139.147

2017-06-04-----2017-06-04 182.61.28.15