iP or domain name lookup

upfront.scholastic.com Server iP：

Current resolution：

domain resolution record：

2023-11-13-----2024-10-29 104.18.42.42

2024-04-23-----2024-10-29 172.64.145.214

2023-04-14-----2023-08-24 104.18.28.190

2023-04-14-----2023-08-24 104.18.29.190

2022-12-04-----2022-12-04 23.207.105.110

2022-12-04-----2022-12-04 184.28.12.144

2022-12-04-----2022-12-04 104.71.162.100

2022-12-04-----2022-12-04 223.119.245.222

2022-01-28-----2022-01-28 23.37.50.53

2022-01-28-----2022-01-28 23.74.44.126

2022-01-28-----2022-01-28 23.15.146.4

2020-05-13-----2020-05-13 104.71.162.168

2020-05-13-----2020-05-13 104.127.6.44

2020-05-13-----2020-05-13 23.7.216.31

2020-05-13-----2020-05-13 104.85.73.97

2020-05-13-----2020-05-13 223.119.224.57

2020-05-13-----2020-05-13 104.106.36.126

2020-05-13-----2020-05-13 23.7.91.222

2020-05-13-----2020-05-13 104.124.231.175

2020-05-13-----2020-05-13 23.75.92.7

2020-05-13-----2020-05-13 23.201.188.213