iP or domain name lookup

www.pbsidc.com Server iP：

Current resolution：

domain resolution record：

2023-05-01-----2023-05-01 159.138.61.4

2021-09-26-----2022-08-11 159.138.159.201

2019-10-01-----2020-09-25 121.199.250.171

2019-03-09-----2019-07-11 121.199.250.102

2017-09-18-----2018-02-09 121.199.250.214

2017-06-08-----2017-06-08 121.199.250.211

2017-03-29-----2017-03-29 121.199.250.243

2017-01-23-----2017-03-16 121.199.250.12

2016-12-30-----2017-01-07 121.199.250.153

2016-12-19-----2016-12-19 121.199.250.216

2016-11-04-----2016-11-04 211.154.166.96