iP or domain name lookup

yc2015.gnway.cc Server iP：

Current resolution：

domain resolution record：

2021-11-17-----2022-03-12 1.197.254.137

2020-02-13-----2020-02-13 1.197.255.52

2020-02-10-----2020-02-10 1.197.248.228

2020-02-05-----2020-02-05 123.206.29.197

2020-02-05-----2020-02-05 139.199.165.141

2020-02-05-----2020-02-05 139.199.72.27

2020-02-05-----2020-02-05 118.89.231.52

2020-02-05-----2020-02-05 123.206.56.9