iP or domain name lookup

mail.sepec.com.cn Server iP：

Current resolution：

domain resolution record：

2021-09-16-----2023-09-13 112.60.20.236

2021-09-16-----2023-09-13 112.90.80.101

2023-09-11-----2023-09-13 129.226.102.73

2023-09-11-----2023-09-13 109.244.184.102

2021-04-21-----2021-11-26 203.205.254.225

2021-09-16-----2021-11-26 14.17.27.155

2021-04-21-----2021-09-16 203.205.253.154

2021-04-21-----2021-04-25 58.251.81.43

2021-04-21-----2021-04-25 58.250.136.39

2021-04-21-----2021-04-25 121.51.130.237

2021-04-21-----2021-04-25 121.51.8.59

2021-04-21-----2021-04-25 183.3.235.87

2017-11-02-----2021-04-15 202.99.223.86