Question and response
Question
dig spfvb.messageone.com. TXT
Answer
spfvb.messageone.com. 300 TXT "v=spf1 ip4:52.54.43.44 ip4:3.91.143.147 ip4:35.153.217.134 ip4:52.211.94.182 ip4:52.71.36.24 ip4:35.175.51.157 ip4:34.232.104.179 ip4:34.231.223.153 ip4:52.20.182.22 ip4:34.231.224.240 ip4:34.225.85.155 ip4:52.0.209.99 ~all"
Authority
messageone.com. 172800 NS ns-1035.awsdns-01.org.
messageone.com. 172800 NS ns-1843.awsdns-38.co.uk.
messageone.com. 172800 NS ns-192.awsdns-24.com.
messageone.com. 172800 NS ns-693.awsdns-22.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0