mail1108.updates.coastal.com has no CNAME records.
Question and response
Question
dig mail1108.updates.coastal.com. NS
Answer
The response has no answer records.
Authority
coastal.com. 300 SOA a1-51.akam.net. hostmaster.coastal.com. 2024020167 3600 600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0