iP or domain name lookup

pubgmuc.com Server iP：

Current resolution：

domain resolution record：

2021-07-25-----2021-10-21 209.126.123.11

2021-10-21-----2021-10-21 78.41.204.28

2021-10-12-----2021-10-12 78.41.204.32

2021-10-10-----2021-10-10 209.126.123.12

2021-10-10-----2021-10-10 78.41.204.33

2021-07-25-----2021-07-25 78.41.204.37

2021-02-25-----2021-02-25 103.224.212.220

2020-06-06-----2020-07-12 199.59.242.154

2020-04-06-----2020-05-13 79.124.78.105

2020-04-02-----2020-04-07 79.124.78.101

2019-10-03-----2019-10-03 149.129.233.159