Question and response
Question
dig dns1.vps.net. NS
Answer
dns1.vps.net. 86400 NS ns2.softlayer.com.
dns1.vps.net. 86400 NS ns1.softlayer.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0