Question and response
Question
dig mbssmtp.mbsbooks.com. TXT
Answer
mbssmtp.mbsbooks.com. 300 TXT "v=spf1 ip4:198.105.13.131 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0