iP or domain name lookup

us1.iss.tf Server iP：

Current resolution：

domain resolution record：

2016-09-05-----2021-01-05 8.7.198.45

2016-09-05-----2021-01-05 59.24.3.173

2016-10-11-----2021-01-05 203.98.7.65

2016-11-15-----2021-01-05 243.185.187.39

2019-08-13-----2019-09-20 192.64.119.254

2016-11-11-----2017-08-20 93.46.8.89

2015-12-30-----2017-08-19 45.55.14.59

2016-10-11-----2017-08-12 78.16.49.15

2016-10-03-----2017-07-07 37.61.54.158

2016-10-11-----2017-06-25 159.106.121.75

2016-10-20-----2017-05-25 46.82.174.68

2016-12-30-----2016-12-30 69.171.233.24

2016-04-12-----2016-04-16 107.155.79.144