iP or domain name lookup

joyent.com Server iP：

Current resolution：

domain resolution record：

2023-01-30-----2023-06-02 64.30.131.172

2023-01-30-----2023-06-02 64.30.131.173

2019-04-23-----2019-10-07 151.101.66.49

2019-04-23-----2019-10-07 151.101.130.49

2019-04-23-----2019-10-07 151.101.2.49

2019-07-13-----2019-10-07 151.101.194.49

2017-06-13-----2017-06-13 72.2.117.118

2017-06-13-----2017-06-13 165.225.147.21