managed-region.cdn.idcfcloud.net has no NS records.
NS records for this zone are defined at cdn.idcfcloud.net.
NS records for this zone are defined at cdn.idcfcloud.net.
Question and response
Question
dig na-eu-as.idcf3.map.fastly.net. NS
Answer
The response has no answer records.
Authority
fastly.net. 30 SOA ns1.fastly.net. hostmaster.fastly.com. 2017052201 3600 600 604800 30
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0