iP or domain name lookup

student.readingeggs.com Server iP：

Current resolution：

domain resolution record：

2024-06-06-----2024-06-06 104.17.169.66

2024-06-06-----2024-06-06 104.17.170.66

2021-12-26-----2023-03-28 104.18.207.69

2021-12-26-----2023-03-28 104.17.189.70

2017-09-11-----2017-09-18 54.191.104.178

2017-09-11-----2017-09-17 52.35.116.28

2017-09-11-----2017-09-17 52.88.172.213

2017-03-03-----2017-03-03 54.68.244.115

2017-03-03-----2017-03-03 54.71.236.94

2017-03-03-----2017-03-03 54.187.63.30

2017-03-02-----2017-03-02 54.191.254.228

2017-03-02-----2017-03-02 35.167.209.118

2017-03-02-----2017-03-02 52.43.195.163