iP or domain name lookup

a20.phobos.apple.com Server iP：

Current resolution：

domain resolution record：

2020-10-06-----2020-10-06 112.47.36.216

2020-10-06-----2020-10-06 36.25.247.96

2020-10-06-----2020-10-06 111.61.59.15

2020-10-06-----2020-10-06 27.155.108.77

2020-10-06-----2020-10-06 111.29.28.39

2020-10-06-----2020-10-06 58.221.32.183

2020-10-06-----2020-10-06 122.225.83.59

2020-10-06-----2020-10-06 120.39.206.135

2020-10-06-----2020-10-06 125.77.129.111

2020-10-06-----2020-10-06 27.155.108.46

2020-10-06-----2020-10-06 58.221.32.23

2020-10-06-----2020-10-06 223.111.14.105

2020-10-06-----2020-10-06 117.24.10.60

2020-10-06-----2020-10-06 17.253.115.202