Question and response
Question
dig mx-in.g.apple.com. DNSKEY
Answer
The response has no answer records.
Authority
g.apple.com. 300 SOA a.gslb.aaplimg.com. hostmaster.apple.com. 1715982820 1800 300 60480 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0