iP or domain name lookup

img.nngft.com Server iP：

Current resolution：

domain resolution record：

2019-07-12-----2019-08-23 45.12.135.186

2017-08-06-----2017-08-06 111.11.31.131

2017-08-06-----2017-08-06 124.239.232.236

2017-08-06-----2017-08-06 60.211.204.236

2017-08-06-----2017-08-06 14.152.50.39

2017-08-06-----2017-08-06 175.6.128.246

2017-08-06-----2017-08-06 61.155.137.220

2017-08-06-----2017-08-06 60.211.204.237

2017-08-06-----2017-08-06 60.211.204.235

2017-08-06-----2017-08-06 183.131.64.67