Question and response
Question
dig spf.rakurakuseisan.jp. TXT
Answer
spf.rakurakuseisan.jp. 300 TXT "v=spf1 include:spf10.htdb.jp include:spf20.htdb.jp include:spf30.htdb.jp ~all"
Authority
rakurakuseisan.jp. 172800 NS ns-1121.awsdns-12.org.
rakurakuseisan.jp. 172800 NS ns-1629.awsdns-11.co.uk.
rakurakuseisan.jp. 172800 NS ns-215.awsdns-26.com.
rakurakuseisan.jp. 172800 NS ns-848.awsdns-42.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0