iP or domain name lookup

ismtp.hnair.com Server iP：

Current resolution：

domain resolution record：

2017-02-06-----2024-09-02 202.100.226.195

2017-02-06-----2024-08-02 113.59.108.120

2019-05-04-----2024-08-02 111.28.138.78

2023-07-31-----2024-08-02 121.58.96.21

2019-09-10-----2024-07-26 113.59.124.207

2020-01-20-----2020-02-17 220.243.222.128

2019-08-26-----2019-08-26 220.243.222.139

2019-06-04-----2019-07-26 163.171.101.239

2019-06-16-----2019-07-10 120.132.123.192

2017-02-06-----2017-02-06 207.226.247.80