iP or domain name lookup

mx138.oujiming.ac.cn Server iP：

Current resolution：

domain resolution record：

2022-07-17-----2022-07-17 49.51.77.113

2022-07-17-----2022-07-17 170.106.49.50

2019-12-17-----2019-12-17 159.69.186.9

2017-02-04-----2017-05-16 172.247.45.138

2016-10-12-----2016-10-12 221.204.244.36

2016-10-12-----2016-10-12 111.175.221.58

2016-10-12-----2016-10-12 221.192.153.41

2016-02-02-----2016-08-10 148.163.28.138