iP or domain name lookup

ajax-googeapis.tczhnk.com Server iP：

Current resolution：

domain resolution record：

2019-07-07-----2019-07-25 47.91.159.211

2017-08-06-----2017-08-06 124.232.157.109

2017-08-06-----2017-08-06 119.167.151.218

2017-08-06-----2017-08-06 171.111.154.238

2017-08-06-----2017-08-06 220.181.105.176

2017-08-06-----2017-08-06 180.97.168.226

2017-08-06-----2017-08-06 27.221.30.102

2017-08-06-----2017-08-06 42.81.4.83

2017-08-06-----2017-08-06 58.218.215.165

2017-08-06-----2017-08-06 183.61.180.164

2017-08-06-----2017-08-06 211.138.122.208

2017-08-06-----2017-08-06 183.232.151.159