Question and response
Question
dig spf.plugcrm.net. TXT
Answer
spf.plugcrm.net. 300 TXT "v=spf1 include:sendgrid.net ~all"
Authority
plugcrm.net. 172800 NS ns-1081.awsdns-07.org.
plugcrm.net. 172800 NS ns-1834.awsdns-37.co.uk.
plugcrm.net. 172800 NS ns-227.awsdns-28.com.
plugcrm.net. 172800 NS ns-603.awsdns-11.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0