0	up.example.com.	IN	NS	120	ns1.example.com.
0	up.example.com.	IN	NS	120	ns2.example.com.
2	ns1.example.com.	IN	A	120	192.168.2.2
2	ns2.example.com.	IN	A	120	192.168.2.3
Rcode: 0, RD: 0, QR: 1, TC: 0, AA: 1, opcode: 0
Reply to question for qname='up.example.com.', qtype=NS
