Question and response
Question
dig mail2.xsend1.email. TXT
Answer
mail2.xsend1.email. 300 TXT "v=spf1 include:spf.improvmx.com include:spf.sendpost.email ~all"
Authority
xsend1.email. 172800 NS ns-1254.awsdns-28.org.
xsend1.email. 172800 NS ns-1705.awsdns-21.co.uk.
xsend1.email. 172800 NS ns-344.awsdns-43.com.
xsend1.email. 172800 NS ns-694.awsdns-22.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0