iP or domain name lookup

ns1.51dns.com Server iP：

Current resolution：

domain resolution record：

2018-03-10-----2024-09-15 218.98.111.194

2020-01-31-----2021-12-07 119.167.180.130

2020-01-31-----2020-03-09 27.152.186.192

2016-01-19-----2019-09-14 121.14.154.226

2016-01-19-----2018-03-10 218.66.171.2

2016-01-19-----2017-07-28 218.5.73.130

2016-01-19-----2017-01-01 113.105.158.34

2016-01-19-----2017-01-01 61.131.59.66

2016-01-19-----2016-12-21 117.25.132.162