Question and response
Question
dig spf-idc1.maildealer.jp. TXT
Answer
spf-idc1.maildealer.jp. 600 TXT "v=spf1 ip4:219.122.255.192/26 ip4:219.122.254.192/26 ip4:59.190.137.0/26 ip4:121.83.131.192/26 ip4:121.83.202.0/26 ip4:121.83.202.128/26 ip4:121.83.202.192/27 ip4:180.147.237.0/25 ip4:180.147.237.128/25 ~all"
Authority
maildealer.jp. 172800 NS ns-1448.awsdns-53.org.
maildealer.jp. 172800 NS ns-1672.awsdns-17.co.uk.
maildealer.jp. 172800 NS ns-334.awsdns-41.com.
maildealer.jp. 172800 NS ns-985.awsdns-59.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0