iP or domain name lookup

smtphy.263.net Server iP：

Current resolution：

domain resolution record：

2017-03-14-----2021-06-25 54.255.195.220

2017-03-14-----2021-06-25 54.65.32.9

2018-01-24-----2021-06-25 54.88.144.211

2019-07-10-----2021-06-25 38.83.106.158

2019-07-10-----2021-06-25 54.183.73.186

2019-07-10-----2021-06-25 13.237.61.158

2019-09-24-----2021-06-25 54.76.170.7

2017-03-14-----2018-01-24 54.76.167.174

2017-03-14-----2018-01-24 63.217.87.23

2017-08-01-----2018-01-24 118.193.18.26

2017-10-20-----2018-01-24 38.123.104.66

2017-03-14-----2017-10-20 50.18.194.75

2017-03-14-----2017-07-31 54.79.106.188