dd27628.kasserver.com has no CNAME records.
Question and response
Question
dig dd27628.kasserver.com. NS
Answer
The response has no answer records.
Authority
kasserver.com. 2540 SOA ns5.kasserver.com. hostmaster.kasserver.com. 2602250320 28800 7200 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0