iP or domain name lookup

dy.pic.wlbgt.com Server iP：

Current resolution：

domain resolution record：

2019-07-14-----2019-10-10 18.211.9.206

2017-04-14-----2017-04-14 220.181.172.51

2017-04-14-----2017-04-14 111.206.47.207

2017-04-14-----2017-04-14 111.13.107.20

2017-04-14-----2017-04-14 111.13.104.36

2016-11-10-----2017-01-14 162.159.211.45

2017-01-14-----2017-01-14 180.163.188.85

2016-11-25-----2016-11-25 119.167.246.250

2016-11-25-----2016-11-25 58.211.137.237

2016-11-25-----2016-11-25 42.236.94.250

2016-11-25-----2016-11-25 116.31.127.237

2016-11-12-----2016-11-12 162.159.210.45

2016-11-12-----2016-11-12 116.31.127.244

2016-11-12-----2016-11-12 42.236.94.252

2016-11-12-----2016-11-12 58.211.137.244

2016-11-12-----2016-11-12 119.167.246.252

2016-11-10-----2016-11-10 119.167.246.251

2016-11-10-----2016-11-10 58.211.137.241

2016-11-10-----2016-11-10 117.34.14.241

2016-11-10-----2016-11-10 42.236.94.251

2016-11-10-----2016-11-10 116.31.127.241