pop3.live.com is an alias for outlook-live.office365.com.
outlook-live.office365.com is an alias for outlook.office365.com.
outlook.office365.com is an alias for ooc-g2.tm-4.office.com.
ooc-g2.tm-4.office.com is an alias for outlook.ms-acdc.office.com.
outlook.ms-acdc.office.com is an alias for AMS-efz.ms-acdc.office.com.
AMS-efz.ms-acdc.office.com has address 40.101.82.66
AMS-efz.ms-acdc.office.com has address 40.99.204.34
AMS-efz.ms-acdc.office.com has address 52.97.201.98
AMS-efz.ms-acdc.office.com has address 40.99.204.146