iP or domain name lookup

kc.tt Server iP：

Current resolution：

domain resolution record：

2019-06-02-----2019-06-02 149.129.78.219

2019-03-30-----2019-04-04 47.111.174.12

2019-04-04-----2019-04-04 45.192.175.185

2017-11-25-----2017-11-25 120.209.137.219

2017-11-14-----2017-11-14 220.181.105.241

2017-11-14-----2017-11-14 27.221.30.45

2017-11-14-----2017-11-14 116.253.191.153

2017-11-14-----2017-11-14 211.138.122.184

2017-11-14-----2017-11-14 122.227.164.195

2017-11-14-----2017-11-14 112.5.251.17

2017-11-14-----2017-11-14 122.225.34.185

2017-09-27-----2017-09-28 120.77.57.127