dd13036.kasserver.com has no CNAME records.
Question and response
Question
dig dd13036.kasserver.com. NS
Answer
The response has no answer records.
Authority
kasserver.com. 5298 SOA ns5.kasserver.com. hostmaster.kasserver.com. 2602251440 28800 7200 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0