iP or domain name lookup

1a7f213823.iask.in Server iP：

Current resolution：

domain resolution record：

2020-09-14-----2020-09-14 117.80.125.110

2020-05-06-----2020-06-08 120.27.251.182

2020-06-08-----2020-06-08 180.107.36.6

2020-05-07-----2020-05-07 121.239.97.204

2020-05-06-----2020-05-06 180.103.221.86

2019-07-16-----2019-07-16 121.239.150.62

2017-09-20-----2017-09-28 114.219.168.127

2017-09-28-----2017-09-28 117.81.138.181

2017-09-26-----2017-09-26 121.227.207.201

2017-09-19-----2017-09-19 221.225.48.97

2017-05-20-----2017-05-20 117.82.207.249