iP or domain name lookup

dx.doi.org Server iP：

Current resolution：

domain resolution record：

2019-06-04-----2024-05-27 104.26.9.237

2020-07-22-----2024-05-27 172.67.72.147

2019-06-04-----2024-05-19 104.26.8.237

2019-03-14-----2019-04-03 104.25.174.9

2019-03-14-----2019-04-03 104.25.175.9

2017-10-14-----2017-10-15 52.59.172.38

2017-10-14-----2017-10-14 54.191.229.235

2017-10-14-----2017-10-14 208.254.38.90

2017-10-14-----2017-10-14 34.206.159.209

2017-10-14-----2017-10-14 95.138.171.129

2017-10-14-----2017-10-14 63.123.152.248