Question and response
Question
dig spf.sg.de.o2.com. TXT
Answer
spf.sg.de.o2.com. 1800 TXT "v=spf1 include:spf.mail.telefonica.de -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0