iP or domain name lookup

blackrock9.com Server iP：

Current resolution：

domain resolution record：

2023-07-01-----2023-07-01 72.14.178.174

2021-01-06-----2021-01-06 14.192.5.229

2021-01-06-----2021-01-06 14.192.5.231

2021-01-06-----2021-01-06 14.192.5.233

2021-01-06-----2021-01-06 14.192.5.234

2021-01-06-----2021-01-06 14.192.5.235

2021-01-06-----2021-01-06 14.192.5.236

2021-01-06-----2021-01-06 14.192.5.237

2021-01-06-----2021-01-06 14.192.5.227

2020-12-10-----2020-12-10 103.40.162.194