ccmailgate4.huronclick.com has no NS records.
NS records for this zone are defined at huronclick.com.
NS records for this zone are defined at huronclick.com.
Question and response
Question
dig ccmailgate4.huronclick.com. NS
Answer
The response has no answer records.
Authority
huronclick.com. 900 SOA ns-1268.awsdns-30.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0