iP or domain name lookup

postmaster.mac.com Server iP：

Current resolution：

domain resolution record：

2025-01-23-----2025-01-23 104.26.4.148

2019-07-20-----2019-07-20 78.142.29.210

2015-12-25-----2016-10-14 221.204.244.36

2015-12-25-----2016-10-14 221.192.153.41

2016-10-14-----2016-10-14 111.175.221.58

2015-12-25-----2016-07-29 120.192.83.162

2015-12-25-----2016-07-29 113.12.83.4

2016-06-18-----2016-06-18 180.153.103.224

2015-12-25-----2016-01-30 218.30.64.194

2016-01-30-----2016-01-30 123.129.254.17

2015-12-25-----2015-12-25 202.111.54.183