Question and response
Question
dig mxsmtp.sendpulse.com. TXT
Answer
mxsmtp.sendpulse.com. 300 TXT "v=spf1 ip4:78.41.200.0/24 ip4:5.104.224.0/24 ip4:5.104.225.0/24 ip4:213.109.76.0/23 ip4:91.239.43.0/24 ip4:195.191.65.0/24 ~all"
Authority
sendpulse.com. 172800 NS ns-1181.awsdns-19.org.
sendpulse.com. 172800 NS ns-181.awsdns-22.com.
sendpulse.com. 172800 NS ns-1993.awsdns-57.co.uk.
sendpulse.com. 172800 NS ns-708.awsdns-24.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0