Question and response
Question
dig tls1-fs.office.com. NS
Answer
tls1-fs.office.com. 3 CNAME mailtls1-ww-acdc-fs.trafficmanager.net.
Authority
trafficmanager.net. 23 SOA tm1.dns-tm.com. hostmaster.trafficmanager.net. 2003080800 900 300 2419200 30
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0