iP or domain name lookup

node-hk4.dotunnelv.com Server iP：

Current resolution：

domain resolution record：

2019-11-01-----2020-01-19 79.124.78.101

2019-11-13-----2020-01-19 79.124.78.105

2018-03-22-----2018-12-17 61.244.25.7

2017-12-30-----2017-12-30 61.244.217.244

2017-08-21-----2017-09-15 146.196.53.52

2017-07-10-----2017-07-25 103.241.165.24

2017-06-03-----2017-07-04 218.255.101.114