iP or domain name lookup

pj21a.com Server iP：

Current resolution：

domain resolution record：

2023-12-31-----2023-12-31 127.0.0.1

2023-09-17-----2023-10-01 137.116.173.104

2022-06-21-----2023-05-29 40.83.117.138

2021-12-29-----2022-01-05 192.151.224.164

2021-12-29-----2022-01-05 192.151.224.162

2021-12-29-----2022-01-05 192.151.224.166

2021-12-29-----2022-01-05 192.151.224.165

2021-12-29-----2021-12-29 192.151.224.163

2019-08-21-----2019-08-21 122.226.56.115

2019-07-08-----2019-07-09 103.110.80.134

2017-12-30-----2018-01-17 107.154.194.18

2017-12-30-----2018-01-16 118.184.66.80

2017-12-30-----2018-01-16 103.54.61.154

2017-06-01-----2017-06-07 107.154.196.18

2017-06-01-----2017-06-07 107.154.216.18

2017-04-21-----2017-04-22 107.154.201.126