iP or domain name lookup

mmm.ert01.com Server iP：

Current resolution：

domain resolution record：

2022-06-08-----2022-06-08 3.208.142.147

2022-06-08-----2022-06-08 54.160.124.18

2021-03-09-----2021-03-09 47.245.55.25

2021-03-09-----2021-03-09 47.245.54.31

2021-03-09-----2021-03-09 47.245.57.69

2021-03-09-----2021-03-09 47.245.26.101

2021-03-09-----2021-03-09 47.245.25.30

2021-03-09-----2021-03-09 47.245.34.200

2021-03-09-----2021-03-09 47.245.26.72

2020-12-03-----2020-12-03 52.128.23.153

2020-06-09-----2020-06-09 101.37.150.147