Question and response
Question
dig mail1.xsend3.email. TXT
Answer
mail1.xsend3.email. 300 TXT "v=spf1 include:spf.improvmx.com include:spf.sendpost.email ~all"
Authority
xsend3.email. 172800 NS ns-1528.awsdns-63.org.
xsend3.email. 172800 NS ns-1977.awsdns-55.co.uk.
xsend3.email. 172800 NS ns-46.awsdns-05.com.
xsend3.email. 172800 NS ns-988.awsdns-59.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0