Question and response
Question
dig i.spf.avature.net. TXT
Answer
i.spf.avature.net. 300 TXT "v=spf1 ip4:74.217.56.165/32 ip4:74.217.56.170/32 ip4:74.217.56.205/32 ip4:74.217.56.207/32 ip4:74.217.56.217/32 ip4:74.217.56.241/32 ip4:74.217.56.232/32 ip4:74.217.56.237/32 ip4:74.217.56.238/32 ip4:74.217.56.239/32 ip4:74.217.56.246/32 -all"
Authority
spf.avature.net. 172800 NS ns-1453.awsdns-53.org.
spf.avature.net. 172800 NS ns-1699.awsdns-20.co.uk.
spf.avature.net. 172800 NS ns-454.awsdns-56.com.
spf.avature.net. 172800 NS ns-855.awsdns-42.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0