Question and response
Question
dig smtp2.us.opalstack.com. TXT
Answer
smtp2.us.opalstack.com. 3600 TXT "v=spf1 include:spf.opalstack.com ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0