dd29336.kasserver.com has no CNAME records.
Question and response
Question
dig dd29336.kasserver.com. NS
Answer
The response has no answer records.
Authority
kasserver.com. 126 SOA ns5.kasserver.com. hostmaster.kasserver.com. 2603010940 28800 7200 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0