iP or domain name lookup

iot.aliyun.com Server iP：

Current resolution：

domain resolution record：

2024-05-15-----2024-05-15 106.15.100.127

2024-05-15-----2024-05-15 106.15.100.117

2024-05-15-----2024-05-15 139.196.135.167

2017-12-13-----2022-08-12 42.120.219.14

2018-01-20-----2022-08-12 42.156.141.75

2017-12-13-----2018-01-20 140.205.172.1

2017-12-13-----2018-01-20 140.205.33.5