iP or domain name lookup

pop3.longsemi.com Server iP：

Current resolution：

domain resolution record：

2023-03-06-----2023-03-06 112.90.80.126

2023-03-06-----2023-03-06 101.32.113.90

2023-03-06-----2023-03-06 119.147.6.199

2023-03-06-----2023-03-06 120.232.27.164

2023-03-06-----2023-03-06 119.147.6.245

2023-03-06-----2023-03-06 157.148.45.129

2023-03-06-----2023-03-06 112.60.20.192

2023-03-06-----2023-03-06 157.148.36.163

2023-03-06-----2023-03-06 14.22.3.39

2019-07-15-----2019-08-04 113.96.232.106

2019-07-15-----2019-08-03 157.255.245.108

2019-07-15-----2019-08-03 183.232.93.197

2019-07-15-----2019-08-03 113.96.200.115

2019-07-15-----2019-08-03 121.51.166.110

2019-08-03-----2019-08-03 113.96.208.92

2019-08-03-----2019-08-03 58.251.82.205

2017-06-16-----2017-06-16 121.14.57.133