iP or domain name lookup

www1.chinaport.gov.cn Server iP：

Current resolution：

domain resolution record：

2021-04-14-----2022-11-18 39.155.229.200

2022-11-18-----2022-11-18 1.202.237.87

2021-04-14-----2022-01-14 220.181.191.200

2019-06-11-----2021-08-19 39.155.229.241

2020-03-16-----2021-08-19 220.181.191.241

2016-03-08-----2020-09-26 220.181.191.8

2017-09-15-----2017-12-11 39.155.229.16

2016-03-08-----2017-08-25 202.108.152.8