Question and response
Question
dig spf.mpub.ne.jp. TXT
Answer
spf.mpub.ne.jp. 3600 TXT "v=spf1 ip4:211.4.177.0/24 ip4:210.229.151.128/26 include:mis-idc.mpme.jp ~all"
Authority
mpub.ne.jp. 172800 NS ns-1192.awsdns-21.org.
mpub.ne.jp. 172800 NS ns-1561.awsdns-03.co.uk.
mpub.ne.jp. 172800 NS ns-264.awsdns-33.com.
mpub.ne.jp. 172800 NS ns-660.awsdns-18.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0