iP or domain name lookup

b21.ax21pics.com Server iP：

Current resolution：

domain resolution record：

2024-02-25-----2024-02-25 72.14.185.43

2023-04-28-----2024-02-07 67.225.218.40

2023-02-20-----2023-03-08 91.195.240.94

2023-01-11-----2023-02-07 45.58.53.254

2022-09-14-----2022-10-15 104.21.234.133

2022-09-14-----2022-10-15 104.21.234.132

2022-01-27-----2022-07-10 104.23.128.75

2022-01-27-----2022-07-10 104.23.132.74

2021-11-08-----2022-01-17 104.21.234.10

2021-11-08-----2022-01-17 104.21.234.11

2021-09-04-----2021-11-03 104.21.26.236

2021-09-04-----2021-11-03 172.67.168.152

2021-02-18-----2021-09-04 104.22.47.96

2021-02-18-----2021-09-04 172.67.24.161

2021-02-18-----2021-09-03 104.22.46.96