sdm1.quickbooks.net has no CNAME records.
Question and response
Question
dig sdm1.quickbooks.net. NS
Answer
The response has no answer records.
Authority
quickbooks.net. 300 SOA a18-64.akam.net. nadmin.intuit.com. 2020102921 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0