iP or domain name lookup

mx.spamgateway.cn Server iP：

Current resolution：

domain resolution record：

2025-04-16-----2025-12-29 103.37.40.237

2025-04-16-----2025-12-29 103.37.40.238

2021-05-25-----2025-12-09 115.231.236.169

2024-06-03-----2025-12-09 43.240.204.235

2017-09-30-----2024-02-28 43.240.204.219

2022-06-14-----2024-02-28 193.9.44.157

2021-11-22-----2022-05-14 183.2.191.36

2020-07-30-----2022-02-19 194.146.86.226

2017-03-14-----2020-07-06 115.238.86.87

2019-05-23-----2019-05-23 144.202.2.181

2017-03-14-----2017-03-14 124.160.89.43