iP or domain name lookup

wap.10086.cn.yufu.bid Server iP：

Current resolution：

domain resolution record：

2017-04-09-----2017-04-09 121.230.177.153

2017-04-07-----2017-04-08 49.71.213.100

2017-04-08-----2017-04-08 121.230.144.96

2017-04-08-----2017-04-08 121.230.145.231

2017-04-08-----2017-04-08 117.94.160.65

2017-04-07-----2017-04-07 49.71.208.15

2017-03-13-----2017-03-13 117.94.12.10

2017-03-10-----2017-03-10 121.230.243.53