aspmx1.spamjadoo.com has no CNAME records.
Question and response
Question
dig aspmx1.spamjadoo.com. NS
Answer
The response has no answer records.
Authority
spamjadoo.com. 3487 SOA ns1.dildns.com. shailesh.dil.in. 2017051601 3600 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0