Question and response
Question
dig dnsbackup.net. NS
Answer
dnsbackup.net. 86400 NS ns2.dnsbackup.net.
dnsbackup.net. 86400 NS ns1.nameserver.sk.
dnsbackup.net. 86400 NS ns1.dnsbackup.net.
dnsbackup.net. 86400 NS ns2.nameserver.sk.
Authority
The response has no authority records.
Additional
ns1.dnsbackup.net. 21600 A 178.62.60.201
ns2.dnsbackup.net. 21600 A 185.65.223.35
ns1.dnsbackup.net. 21600 AAAA 2a03:b0c0:1:d0:0:0:1090:2001
ns2.dnsbackup.net. 21600 AAAA 2a00:1e40:a:53:0:0:0:5
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0