iP or domain name lookup

go.sparkpostmail.com Server iP：

Current resolution：

domain resolution record：

2022-12-09-----2022-12-09 54.148.45.219

2022-12-09-----2022-12-09 52.37.14.1

2022-12-09-----2022-12-09 34.214.111.204

2022-09-18-----2022-09-18 34.209.224.235

2022-09-18-----2022-09-18 54.149.70.198

2022-09-18-----2022-09-18 52.41.76.105

2022-07-27-----2022-07-27 52.38.30.121

2022-07-27-----2022-07-27 35.162.34.88

2022-07-27-----2022-07-27 35.165.253.220

2022-06-09-----2022-06-09 44.226.243.152

2022-06-09-----2022-06-09 52.89.46.145

2022-06-09-----2022-06-09 52.36.189.184