Question and response
Question
dig xb7.serverdomain.org. TXT
Answer
xb7.serverdomain.org. 3600 TXT "v=spf1 mx a include:spf.serverdomain.org ?all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0