iP or domain name lookup

iot-auth.aliyun.com Server iP：

Current resolution：

domain resolution record：

2017-04-01-----2022-08-08 140.205.135.3

2019-12-13-----2022-08-08 140.205.60.46

2019-12-13-----2022-08-08 106.11.248.144

2020-10-14-----2022-08-08 106.11.253.83

2020-11-11-----2022-08-08 106.11.249.99

2022-08-08-----2022-08-08 106.11.172.5

2020-10-14-----2022-03-07 106.11.172.51

2020-10-14-----2022-03-07 106.11.172.56

2020-11-11-----2022-03-07 106.11.253.86

2017-04-01-----2019-12-17 106.11.62.15

2019-12-17-----2019-12-17 106.11.61.69

2019-12-13-----2019-12-13 106.11.248.100