Question and response
Question
dig gradual.us.hosted.spf-report.com. TXT
Answer
gradual.us.hosted.spf-report.com. 300 TXT "v=spf1 include:sendgrid.net include:spf.mtasv.net ~all"
Authority
spf-report.com. 172800 NS ns-1442.awsdns-52.org.
spf-report.com. 172800 NS ns-1567.awsdns-03.co.uk.
spf-report.com. 172800 NS ns-588.awsdns-09.net.
spf-report.com. 172800 NS ns-92.awsdns-11.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0