Question and response
Question
dig mwd.spf.a.cloudfilter.net. TXT
Answer
mwd.spf.a.cloudfilter.net. 300 TXT "v=spf1 ip4:44.202.169.42 ip4:44.202.169.43 ip4:35.89.44.42 ip4:35.89.44.43 ip4:34.195.253.203 ip4:34.195.253.202 ip4:35.164.127.249 ip4:35.164.127.250 ~all"
Authority
spf.a.cloudfilter.net. 172800 NS ns-1005.awsdns-61.net.
spf.a.cloudfilter.net. 172800 NS ns-1480.awsdns-57.org.
spf.a.cloudfilter.net. 172800 NS ns-1662.awsdns-15.co.uk.
spf.a.cloudfilter.net. 172800 NS ns-240.awsdns-30.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0