ns3.g.aaplimg.com has no NS records.
NS records for this zone are defined at g.aaplimg.com.
NS records for this zone are defined at g.aaplimg.com.
Question and response
Question
dig ns3.g.aaplimg.com. NS
Answer
The response has no answer records.
Authority
g.aaplimg.com. 300 SOA a.gslb.aaplimg.com. hostmaster.apple.com. 1715790868 1800 300 60480 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0