n2b.akamaiedge.net has no NS records.
NS records for this zone are defined at akamaiedge.net.
NS records for this zone are defined at akamaiedge.net.
Question and response
Question
dig n2b.akamaiedge.net. NS
Answer
The response has no answer records.
Authority
akamaiedge.net. 180 SOA internal.akamaiedge.net. hostmaster.akamai.com. 1559044082 90000 90000 90000 180
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0