iP or domain name lookup

mc.s51.exacttarget.com Server iP：

Current resolution：

domain resolution record：

2025-11-18-----2025-11-18 104.126.37.147

2025-11-18-----2025-11-18 23.192.46.66

2025-11-18-----2025-11-18 69.192.139.72

2025-11-18-----2025-11-18 23.45.207.92

2025-11-05-----2025-11-05 23.212.62.235

2025-11-05-----2025-11-05 104.77.183.25

2025-11-05-----2025-11-05 104.84.150.100

2025-11-05-----2025-11-05 23.62.46.134

2025-11-05-----2025-11-05 23.212.62.251

2025-11-05-----2025-11-05 23.219.172.169

2025-11-05-----2025-11-05 23.55.39.232

2025-11-05-----2025-11-05 23.55.39.229

2025-11-05-----2025-11-05 125.56.218.83

2025-11-05-----2025-11-05 23.15.241.90

2025-11-05-----2025-11-05 23.210.216.160

2025-11-05-----2025-11-05 23.60.96.41

2025-11-05-----2025-11-05 23.210.216.149

2025-11-05-----2025-11-05 23.214.168.214

2025-11-05-----2025-11-05 88.221.83.250

2025-11-05-----2025-11-05 88.221.83.241