bbbcachedb.cachedb.idcfcloud.net has no NS records.
NS records for this zone are defined at cachedb.idcfcloud.net.
NS records for this zone are defined at cachedb.idcfcloud.net.
Question and response
Question
dig bbbcachedb.cachedb.idcfcloud.net. NS
Answer
The response has no answer records.
Authority
cachedb.idcfcloud.net. 3600 SOA ns01.idcfcloud.com. eng-infra.idcf.jp. 2105 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0