spf.mail.knockbot.jp NS records

NS Authoritative DNS server
5m
spf.mail.knockbot.jp has no NS records.
NS records for this zone are defined at knockbot.jp.
trace spf.mail.knockbot.jp NS records for knockbot.jp

Question and response

Question

dig spf.mail.knockbot.jp. NS

Answer

The response has no answer records.

Authority

knockbot.jp. 300 SOA 01.dnsv.jp. hostmaster.dnsv.jp. 1756774050 3600 900 604800 300

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0