iP or domain name lookup

columbia.academia.edu Server iP：

Current resolution：

domain resolution record：

2022-12-21-----2022-12-21 99.86.207.88

2022-12-21-----2022-12-21 18.65.168.78

2022-12-21-----2022-12-21 18.65.168.64

2022-12-21-----2022-12-21 99.86.207.75

2022-12-21-----2022-12-21 99.86.207.23

2022-12-21-----2022-12-21 13.224.167.29

2022-12-21-----2022-12-21 18.65.168.84

2022-12-21-----2022-12-21 18.65.168.42

2022-12-21-----2022-12-21 13.225.142.69

2022-12-21-----2022-12-21 99.84.238.209

2022-12-21-----2022-12-21 13.225.103.63