Question and response
Question
dig cs.purdue.edu. TXT
Answer
cs.purdue.edu. 3600 TXT "v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0