Question and response
Question
dig spf20.htdb.jp. TXT
Answer
spf20.htdb.jp. 300 TXT "v=spf1 " "ip4:210.188.237.248/29 ip4:59.106.75.192/26 ip4:59.106.119.0/26 ip4:59.106.127.192/26 ip4:59.106.154.192/26 " "ip4:59.106.166.192/26 ip4:210.188.235.128/26 ip4:59.106.126.192/26 ip4:59.106.87.191/29 ip4:59.106.152.128/25 " "ip4:59.106.43.128/26 ip4:210.188.241.128/26 ip4:59.106.138.0/26 ip4:163.43.60.0/25 ~all"
Authority
htdb.jp. 172800 NS ns-1001.awsdns-61.net.
htdb.jp. 172800 NS ns-1311.awsdns-35.org.
htdb.jp. 172800 NS ns-1728.awsdns-24.co.uk.
htdb.jp. 172800 NS ns-479.awsdns-59.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0