iP or domain name lookup

xxx.if53.com Server iP：

Current resolution：

domain resolution record：

2021-08-17-----2021-08-22 13.58.168.69

2021-08-17-----2021-08-22 3.133.163.136

2021-08-17-----2021-08-22 3.130.158.209

2021-06-23-----2021-07-10 13.59.53.244

2021-07-10-----2021-07-10 3.143.123.90

2021-07-10-----2021-07-10 18.116.232.141

2021-06-23-----2021-06-23 52.14.32.15

2021-06-23-----2021-06-23 3.143.65.214

2021-03-29-----2021-04-13 52.15.160.167

2021-03-29-----2021-04-13 3.14.206.30

2021-04-05-----2021-04-13 3.13.255.157

2021-03-29-----2021-03-31 3.131.252.17

2020-12-09-----2020-12-09 3.137.125.209

2020-12-09-----2020-12-09 3.134.22.63

2020-12-09-----2020-12-09 3.138.82.195

2020-02-11-----2020-02-11 79.124.78.101

2017-04-24-----2017-04-24 43.227.192.87