iP or domain name lookup

cdn1.school.etiantian.net Server iP：

Current resolution：

domain resolution record：

2023-07-01-----2023-07-01 18.191.13.191

2022-08-22-----2023-02-01 18.217.17.119

2021-09-18-----2021-09-18 218.77.92.201

2021-09-18-----2021-09-18 36.99.183.4

2021-09-18-----2021-09-18 125.44.162.162

2021-09-18-----2021-09-18 218.77.92.200

2021-09-18-----2021-09-18 119.36.34.9

2021-09-18-----2021-09-18 218.77.92.202

2021-09-18-----2021-09-18 220.249.134.5

2021-09-18-----2021-09-18 111.32.153.69

2021-09-18-----2021-09-18 36.150.13.147

2021-09-18-----2021-09-18 218.78.243.227

2021-09-18-----2021-09-18 106.117.241.69

2021-09-18-----2021-09-18 119.36.34.18

2021-09-18-----2021-09-18 111.32.153.70

2021-09-18-----2021-09-18 119.36.34.15

2021-09-18-----2021-09-18 106.117.241.78

2021-09-18-----2021-09-18 125.44.162.96

2021-09-18-----2021-09-18 218.78.243.232

2021-09-18-----2021-09-18 218.77.92.196

2021-09-18-----2021-09-18 218.77.92.198

2021-09-18-----2021-09-18 36.150.13.140

2021-09-18-----2021-09-18 119.36.34.19