Question and response
Question
dig mx.spf.upcmail.net. TXT
Answer
mx.spf.upcmail.net. 3600 TXT "v=spf1 ip4:84.116.6.0/23 ip4:84.116.50.0/23 ip4:94.169.2.0/23 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0