iP or domain name lookup

blackrock8.net Server iP：

Current resolution：

domain resolution record：

2021-02-17-----2021-02-17 154.213.28.166

2021-01-26-----2021-01-26 8.210.192.60

2021-01-26-----2021-01-26 47.242.175.127

2021-01-12-----2021-01-12 14.192.5.227

2021-01-12-----2021-01-12 14.192.5.237

2021-01-12-----2021-01-12 14.192.5.235

2021-01-12-----2021-01-12 14.192.5.236

2021-01-12-----2021-01-12 14.192.5.229

2021-01-12-----2021-01-12 14.192.5.234

2021-01-12-----2021-01-12 14.192.5.231

2021-01-12-----2021-01-12 14.192.5.233