mailout01.kasserver.com has no TXT records.
Question and response
Question
dig mailout01.kasserver.com. TXT
Answer
The response has no answer records.
Authority
kasserver.com. 7200 SOA ns5.kasserver.com. hostmaster.kasserver.com. 2603052240 28800 7200 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0