iP or domain name lookup

91yuren.com Server iP：

Current resolution：

domain resolution record：

2025-05-26-----2025-09-29 104.21.4.113

2025-05-26-----2025-09-29 172.67.132.6

2023-01-13-----2023-08-17 156.252.154.152

2021-07-04-----2021-08-11 142.111.12.30

2021-02-08-----2021-02-17 142.252.245.5

2019-07-04-----2019-11-05 96.62.2.91

2017-03-28-----2017-03-28 163.172.11.145

2017-02-25-----2017-02-26 183.61.243.165