iP or domain name lookup

dell.secure.force.com Server iP：

Current resolution：

domain resolution record：

2020-06-28-----2021-06-25 13.110.64.98

2020-06-28-----2021-06-25 13.110.65.98

2020-06-28-----2021-06-25 13.110.67.98

2021-06-25-----2021-06-25 13.110.66.98

2020-06-28-----2020-06-28 13.110.71.98

2019-11-08-----2019-12-16 136.147.101.252

2019-12-16-----2019-12-16 136.147.101.124

2019-08-17-----2019-12-14 136.147.100.124

2019-08-17-----2019-12-14 136.147.102.252

2019-08-17-----2019-11-08 136.147.103.124

2019-11-08-----2019-11-08 136.147.102.124

2019-11-08-----2019-11-08 136.147.100.252

2019-08-17-----2019-08-17 136.147.103.252

2017-06-27-----2017-06-27 136.147.40.51

2017-06-26-----2017-06-26 136.147.42.51

2017-06-26-----2017-06-26 136.147.40.179

2017-06-26-----2017-06-26 136.147.41.179

2017-06-26-----2017-06-26 136.147.43.179

2017-06-26-----2017-06-26 136.147.42.179