Question and response
Question
dig zdns.google. NS
Answer
zdns.google. 21600 NS ns1.zdns.google.
zdns.google. 21600 NS ns3.zdns.google.
zdns.google. 21600 NS ns4.zdns.google.
zdns.google. 21600 NS ns2.zdns.google.
Authority
The response has no authority records.
Additional
ns4.zdns.google. 345600 A 216.239.38.114
ns4.zdns.google. 345600 AAAA 2001:4860:4802:38:0:0:0:72
ns3.zdns.google. 345600 A 216.239.36.114
ns3.zdns.google. 345600 AAAA 2001:4860:4802:36:0:0:0:72
ns1.zdns.google. 345600 A 216.239.32.114
ns1.zdns.google. 345600 AAAA 2001:4860:4802:32:0:0:0:72
ns2.zdns.google. 345600 A 216.239.34.114
ns2.zdns.google. 345600 AAAA 2001:4860:4802:34:0:0:0:72
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0