iP or domain name lookup

piac.vn Server iP：

Current resolution：

domain resolution record：

2021-02-11-----2021-07-31 103.131.74.38

2020-02-03-----2020-05-17 112.213.89.68

2018-06-22-----2019-10-06 203.113.172.188

2019-08-14-----2019-08-14 203.119.8.107