iP or domain name lookup

conference.mashingup.jp Server iP：

Current resolution：

domain resolution record：

2022-12-10-----2022-12-10 13.227.254.100

2022-12-10-----2022-12-10 18.65.168.68

2022-12-10-----2022-12-10 13.35.125.58

2022-12-10-----2022-12-10 18.65.168.53

2022-12-10-----2022-12-10 108.156.172.107

2022-12-10-----2022-12-10 13.227.254.44

2022-12-10-----2022-12-10 99.84.140.14

2022-12-10-----2022-12-10 13.227.254.105

2022-12-10-----2022-12-10 54.192.18.88

2022-12-10-----2022-12-10 108.156.172.38