iP or domain name lookup

nnkuzi.doudouwu.cn Server iP：

Current resolution：

domain resolution record：

2019-11-24-----2020-07-02 23.104.103.17

2019-10-15-----2019-10-15 79.124.78.120

2018-12-30-----2019-07-12 23.230.215.47

2017-03-17-----2017-03-17 45.252.63.135

2017-03-14-----2017-03-14 116.206.94.176

2017-03-14-----2017-03-14 116.206.94.24

2017-03-14-----2017-03-14 203.160.54.13

2017-03-14-----2017-03-14 116.206.94.210

2017-03-14-----2017-03-14 45.252.63.137

2017-03-14-----2017-03-14 45.252.63.16

2017-03-14-----2017-03-14 116.206.94.80