iP or domain name lookup

us-pptp.ptoserver.com Server iP：

Current resolution：

domain resolution record：

2021-03-12-----2021-11-11 141.101.157.2

2021-03-05-----2021-05-07 46.243.207.2

2021-03-12-----2021-05-07 46.243.230.2

2021-03-12-----2021-05-07 172.94.69.2

2021-03-05-----2021-03-23 45.74.13.2

2021-03-12-----2021-03-23 104.250.191.2

2021-03-12-----2021-03-23 37.230.178.2

2021-03-23-----2021-03-23 104.250.161.2

2021-03-23-----2021-03-23 37.230.189.2