iP or domain name lookup

ixpe4.ecproxy4.com Server iP：

Current resolution：

domain resolution record：

2020-11-17-----2022-03-08 13.248.158.163

2022-03-08-----2022-03-08 120.78.238.177

2021-03-27-----2021-03-27 43.227.181.53

2020-12-29-----2021-01-05 211.99.98.239

2020-12-16-----2020-12-16 27.221.75.254

2020-11-17-----2020-12-14 76.223.18.37

2020-11-19-----2020-12-14 211.99.98.245

2020-12-14-----2020-12-14 119.167.180.110

2020-12-10-----2020-12-10 172.65.236.167

2020-11-11-----2020-11-12 47.106.252.223