iP or domain name lookup

oa.beixi.com Server iP：

Current resolution：

domain resolution record：

2020-05-28-----2020-05-28 114.86.5.188

2019-07-24-----2019-07-24 101.86.91.101

2019-03-13-----2019-03-13 180.164.69.222

2017-09-14-----2017-09-15 101.81.185.136

2017-09-10-----2017-09-14 101.81.195.30

2017-09-06-----2017-09-09 101.81.184.187

2017-09-06-----2017-09-08 101.81.196.179

2016-11-28-----2016-11-29 101.81.185.68