Question and response
Question
dig mail2.xsend6.email. TXT
Answer
mail2.xsend6.email. 300 TXT "v=spf1 include:spf.improvmx.com include:spf.sendpost.email ~all"
Authority
xsend6.email. 172800 NS ns-1480.awsdns-57.org.
xsend6.email. 172800 NS ns-1857.awsdns-40.co.uk.
xsend6.email. 172800 NS ns-207.awsdns-25.com.
xsend6.email. 172800 NS ns-723.awsdns-26.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0