iP or domain name lookup

so.com Server iP：

Current resolution：

domain resolution record：

2016-10-25-----2024-04-25 42.236.9.70

2020-02-04-----2024-04-25 171.8.167.22

2020-02-06-----2024-04-25 27.115.124.192

2020-02-06-----2024-04-25 180.163.239.218

2020-08-22-----2024-04-25 171.8.167.31

2022-01-26-----2024-04-25 111.7.73.42

2022-01-26-----2024-04-25 111.7.73.43

2023-02-07-----2024-04-25 180.163.237.15

2020-02-05-----2024-02-18 104.192.110.226

2020-02-03-----2023-10-24 101.198.191.55

2020-02-14-----2023-10-08 111.7.73.11

2017-05-05-----2023-02-03 180.163.251.85

2020-03-18-----2022-01-23 117.135.153.171

2020-03-06-----2022-01-19 117.135.153.183

2020-02-08-----2021-11-05 101.198.192.46

2016-10-25-----2020-03-02 221.130.199.126

2017-09-30-----2020-02-03 101.198.191.62

2016-01-21-----2017-05-05 106.120.160.134

2016-01-21-----2016-01-21 42.236.9.125