Question and response
Question
dig nets2.spf.messagelabs.com. TXT
Answer
nets2.spf.messagelabs.com. 3600 TXT "v=spf1 ip4:216.82.240.0/20 ip4:67.219.240.0/20 ip4:117.120.16.0/21 ip4:103.9.96.0/22 " "ip4:35.228.216.85 ip4:146.148.116.76 ip4:34.141.160.224 ip4:34.70.158.162 ip4:34.74.74.140 ip4:34.83.159.189"
Authority
messagelabs.com. 180 NS ns-1296.awsdns-34.org.
messagelabs.com. 180 NS ns-1714.awsdns-22.co.uk.
messagelabs.com. 180 NS ns-453.awsdns-56.com.
messagelabs.com. 180 NS ns-520.awsdns-01.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0