Question and response
Question
dig mail.tue.nl. TXT
Answer
mail.tue.nl. 86400 TXT "v=spf1 include:spfdefault.mail.tue.nl include:servers.mcsv.net -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0