casjay.pool.ntp.org has no NS records.
NS records for this zone are defined at pool.ntp.org.
NS records for this zone are defined at pool.ntp.org.
Question and response
Question
dig casjay.pool.ntp.org. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0