mx2.DOTSTER.COM has no TXT records.
Question and response
Question
dig mx2.DOTSTER.COM. TXT
Answer
The response has no answer records.
Authority
DOTSTER.COM. 2560 SOA ns1.DOTSTER.COM. ops.DOTSTER.COM. 1333639566 16384 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0