Question and response
Question
dig mail.backstopsolutions.com. NS
Answer
mail.backstopsolutions.com. 4 CNAME outlook.office.com.
outlook.office.com. 4 CNAME substrate.office.com.
substrate.office.com. 4 CNAME outlook.office365.com.
outlook.office365.com. 4 CNAME ooc-g2.tm-4.office.com.
ooc-g2.tm-4.office.com. 4 CNAME outlook.ms-acdc.office.com.
outlook.ms-acdc.office.com. 4 CNAME FRA-efz.ms-acdc.office.com.
Authority
ms-acdc.office.com. 54 SOA ns1-ms-acdc.office.com. hostmaster.microsoft.com. 2041490185 900 600 86400 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0