xspmail.jp NS records

NS Authoritative DNS server
5m
dns0.iij.ad.jp
dns1.iij.ad.jp

Question and response

Question

dig xspmail.jp. NS

Answer

xspmail.jp. 300 NS dns1.iij.ad.jp. xspmail.jp. 300 NS dns0.iij.ad.jp.

Authority

The response has no authority records.

Additional

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