Question and response
Question
dig spf.besender.jp. TXT
Answer
spf.besender.jp. 300 TXT "v=spf1 exists:%{i}.spf.besender.jp exists:%{i}.spf.bserver.jp include:spf.sendmsg.jp ~all"
Authority
besender.jp. 172800 NS ns-1496.awsdns-59.org.
besender.jp. 172800 NS ns-1843.awsdns-38.co.uk.
besender.jp. 172800 NS ns-241.awsdns-30.com.
besender.jp. 172800 NS ns-659.awsdns-18.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0