Question and response
Question
dig postfix.har.com. TXT
Answer
postfix.har.com. 300 TXT "v=spf1 mx a -all"
Authority
har.com. 3600 NS ns-1380.awsdns-44.org.
har.com. 3600 NS ns-1987.awsdns-56.co.uk.
har.com. 3600 NS ns-229.awsdns-28.com.
har.com. 3600 NS ns-612.awsdns-12.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0