Question and response
Question
dig c.spf.avature.net. TXT
Answer
c.spf.avature.net. 360 TXT "v=spf1 ip4:209.137.158.140/30 ip4:209.137.158.150/31 ip4:209.137.158.152/31 ip4:209.137.158.157/32 ip4:209.137.158.158/31 ip4:209.137.158.160/30 ip4:209.137.158.176/28 ip4:209.137.158.192/31 ip4:209.137.158.207/32 ip4:209.137.158.208/32 -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