iP or domain name lookup

oa.naturalin.com.cn Server iP：

Current resolution：

domain resolution record：

2023-10-03-----2023-10-03 156.251.17.231

2021-10-06-----2021-10-15 103.127.124.6

2020-01-07-----2020-02-12 47.56.177.206

2019-06-07-----2020-01-06 47.74.155.202

2017-01-20-----2017-01-20 118.192.163.6

2017-01-20-----2017-01-20 124.248.221.197

2016-12-29-----2016-12-29 124.248.221.196

2016-12-28-----2016-12-28 124.248.221.198