iP or domain name lookup

mail.cetc.com.cn Server iP：

Current resolution：

domain resolution record：

2022-10-26-----2024-09-20 220.185.184.117

2022-10-26-----2024-09-20 220.185.183.208

2022-10-26-----2024-09-20 117.149.202.205

2023-01-17-----2024-09-20 123.129.226.208

2024-01-15-----2024-09-20 220.185.183.100

2021-09-09-----2022-08-06 183.131.200.202

2021-09-09-----2022-08-06 103.95.221.165

2022-07-30-----2022-08-06 183.131.200.249

2020-12-13-----2021-06-15 183.47.233.97

2019-03-15-----2020-07-22 124.251.113.72

2017-02-07-----2017-02-07 117.177.222.202