Question and response
Question
dig mdsl.net.hosted.spf-report.com. TXT
Answer
mdsl.net.hosted.spf-report.com. 300 TXT "v=spf1 mx:mdsl.net mx:mxlon01.mdsl.net mx:mxnew02.mdsl.net ip4:129.146.131.233/32 ip4:213.129.90.104/32 ip4:84.45.15.6/32 ip4:198.169.231.228 ip4:152.70.142.246 -all"
Authority
spf-report.com. 172800 NS ns-1442.awsdns-52.org.
spf-report.com. 172800 NS ns-1567.awsdns-03.co.uk.
spf-report.com. 172800 NS ns-588.awsdns-09.net.
spf-report.com. 172800 NS ns-92.awsdns-11.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0