iP or domain name lookup

app.df123456.com Server iP：

Current resolution：

domain resolution record：

2023-08-21-----2023-08-21 173.255.194.134

2022-03-08-----2022-03-08 45.79.19.196

2022-03-08-----2022-03-08 198.58.118.167

2020-10-03-----2020-12-30 45.116.162.236

2020-10-03-----2020-12-30 103.146.89.155

2020-10-03-----2020-12-30 156.234.27.83

2020-10-03-----2020-12-30 45.116.164.208

2020-10-03-----2020-12-30 103.146.89.156

2020-10-03-----2020-12-30 156.234.27.84

2020-12-30-----2020-12-30 202.146.217.63

2020-10-03-----2020-11-19 103.146.89.158

2020-11-19-----2020-11-19 27.124.12.40

2020-11-19-----2020-11-19 27.124.12.39

2020-11-19-----2020-11-19 156.234.27.86

2020-10-03-----2020-10-03 143.92.32.63

2019-08-29-----2019-11-14 205.198.9.147