iP or domain name lookup

delmarchina-com.corpsmtp.net Server iP：

Current resolution：

domain resolution record：

2022-06-01-----2023-06-09 206.189.7.78

2022-06-01-----2023-06-09 222.73.239.21

2022-06-01-----2023-06-09 222.73.239.19

2022-06-01-----2023-06-09 222.73.239.23

2022-10-17-----2023-05-06 138.68.75.175

2022-10-21-----2023-05-06 206.189.96.192

2023-03-15-----2023-04-10 192.241.207.6

2023-03-06-----2023-03-06 192.241.217.149

2022-10-17-----2022-10-17 46.101.220.252