iP or domain name lookup

tj-ctfs.gcjv.pw Server iP：

Current resolution：

domain resolution record：

2017-06-14-----2017-11-30 123.151.176.29

2017-06-14-----2017-11-30 123.151.176.100

2017-06-14-----2017-11-30 123.151.71.18

2017-06-14-----2017-11-30 123.151.71.21

2017-06-14-----2017-11-30 123.151.176.102

2017-07-17-----2017-11-30 123.151.71.106

2017-08-03-----2017-11-30 123.151.176.117

2017-08-03-----2017-11-30 123.126.122.106

2017-08-04-----2017-11-30 123.126.122.116

2017-08-04-----2017-11-30 111.30.138.155

2017-06-14-----2017-08-04 123.151.71.121

2017-06-14-----2017-08-04 123.151.176.104

2017-06-14-----2017-08-04 111.161.111.46

2017-06-14-----2017-08-04 111.30.137.23

2017-07-17-----2017-08-04 123.151.176.30

2017-07-17-----2017-08-04 123.151.71.14

2017-07-17-----2017-08-04 111.30.137.22

2017-06-14-----2017-08-03 123.151.71.12

2017-07-17-----2017-08-03 123.126.122.107