iP or domain name lookup

mail.bcb.cn Server iP：

Current resolution：

domain resolution record：

2023-09-11-----2023-09-12 120.241.150.114

2023-09-11-----2023-09-12 183.47.114.101

2023-09-11-----2023-09-12 183.2.144.108

2023-09-11-----2023-09-12 43.155.124.18

2023-09-11-----2023-09-12 163.177.30.56

2023-09-11-----2023-09-12 43.154.252.31

2023-09-11-----2023-09-12 183.2.144.113

2023-09-11-----2023-09-12 120.232.67.187

2023-09-12-----2023-09-12 120.233.18.36

2023-09-12-----2023-09-12 157.255.13.12

2023-09-11-----2023-09-11 157.255.13.247