iP or domain name lookup

ysjzz.com Server iP：

Current resolution：

domain resolution record：

2019-08-19-----2019-08-20 218.28.144.37

2019-08-20-----2019-08-20 218.28.144.36

2017-10-11-----2018-01-01 172.247.128.124

2017-09-27-----2017-09-29 68.64.167.244

2017-08-12-----2017-08-12 108.186.163.237

2017-07-11-----2017-08-04 47.52.66.21

2017-02-05-----2017-04-25 23.224.207.136

2016-12-16-----2016-12-17 199.184.144.27