iP or domain name lookup

diewcs.3322.org Server iP：

Current resolution：

domain resolution record：

2019-07-15-----2022-05-20 115.219.18.122

2018-01-22-----2018-01-23 115.219.21.53

2017-12-15-----2017-12-16 115.219.22.178

2017-09-05-----2017-09-06 115.219.20.171

2017-09-05-----2017-09-05 115.219.19.214

2017-06-20-----2017-06-20 115.219.91.186

2017-06-19-----2017-06-19 115.219.89.95

2017-05-26-----2017-05-27 115.219.91.55

2017-04-26-----2017-04-26 115.219.90.243

2017-04-25-----2017-04-25 115.219.92.49

2017-04-25-----2017-04-25 115.219.90.53