iP or domain name lookup

mail.yrui.cn Server iP：

Current resolution：

domain resolution record：

2023-09-12-----2023-09-13 129.226.106.19

2023-09-12-----2023-09-13 81.71.56.226

2023-09-12-----2023-09-13 112.90.80.23

2019-10-02-----2019-11-21 113.96.233.160

2019-10-02-----2019-10-02 183.232.94.57

2019-10-02-----2019-10-02 182.254.38.92

2019-10-02-----2019-10-02 163.177.89.176

2017-09-29-----2019-08-19 61.152.158.49