iP or domain name lookup

c1.i5n.xyz Server iP：

Current resolution：

domain resolution record：

2023-07-01-----2023-07-01 50.18.206.117

2020-07-23-----2021-03-26 172.67.131.246

2021-03-22-----2021-03-26 104.21.12.88

2020-05-02-----2020-10-13 104.28.30.63

2020-05-02-----2020-10-13 104.28.31.63