Question and response
Question
dig cv. NS
Answer
cv. 86400 NS anyc.dnsnode.net.
cv. 86400 NS c.dns.pt.
cv. 86400 NS ns.dns.cv.
cv. 86400 NS cv01.dns.pt.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0