iP or domain name lookup

mapper.mail.fedex.com Server iP：

Current resolution：

domain resolution record：

2024-05-27-----2024-05-27 204.135.36.233

2024-05-27-----2024-05-27 204.135.242.58

2024-05-27-----2024-05-27 204.135.242.202

2024-05-27-----2024-05-27 204.135.242.201

2024-05-27-----2024-05-27 204.135.36.231

2024-05-27-----2024-05-27 204.135.242.199

2024-05-27-----2024-05-27 204.135.242.57

2024-05-27-----2024-05-27 204.135.36.234

2024-05-27-----2024-05-27 204.135.36.228

2024-05-27-----2024-05-27 204.135.36.236

2024-05-27-----2024-05-27 204.135.242.198

2024-05-27-----2024-05-27 204.135.36.227