iP or domain name lookup

cert.erufa.com Server iP：

Current resolution：

domain resolution record：

2023-04-09-----2023-08-24 3.64.163.50

2021-09-23-----2022-08-21 72.52.178.23

2019-08-22-----2019-08-22 199.59.242.151

2019-06-10-----2019-06-10 185.53.178.22

2017-09-10-----2017-09-10 185.53.178.6

2017-04-09-----2017-04-12 208.73.211.178

2017-04-09-----2017-04-11 208.73.210.200

2017-04-09-----2017-04-11 208.73.210.214