iP or domain name lookup

m.house.gov Server iP：

Current resolution：

domain resolution record：

2017-07-10-----2017-07-10 104.72.76.239

2017-07-09-----2017-07-09 104.71.171.217

2017-07-09-----2017-07-09 72.246.223.91

2017-07-09-----2017-07-09 23.7.41.238

2017-07-09-----2017-07-09 23.218.2.130

2017-07-09-----2017-07-09 23.41.43.125

2017-07-09-----2017-07-09 72.247.119.91

2017-07-09-----2017-07-09 173.222.250.101

2017-07-09-----2017-07-09 23.50.31.19

2017-07-09-----2017-07-09 23.222.35.212