iP or domain name lookup

yajian.net Server iP：

Current resolution：

domain resolution record：

2017-12-16-----2017-12-16 203.78.142.12

2017-01-09-----2017-08-16 103.241.230.136

2017-03-24-----2017-08-15 103.241.230.135

2017-08-15-----2017-08-15 103.241.230.134

2017-03-24-----2017-04-04 103.241.230.137

2017-03-24-----2017-04-04 103.241.230.138

2017-04-01-----2017-04-04 103.241.230.140

2017-03-24-----2017-03-24 103.241.230.139

2017-01-09-----2017-01-09 103.241.230.133

2017-01-09-----2017-01-09 103.241.230.131

2017-01-09-----2017-01-09 103.241.230.132