1	example.com.	IN	NSEC	120	ns1.example.com. NS SOA RRSIG NSEC DNSKEY
1	example.com.	IN	RRSIG	120	NSEC 8 2 120 [expiry] [inception] [keytag] example.com. ...
1	example.com.	IN	RRSIG	120	SOA 8 2 120 [expiry] [inception] [keytag] example.com. ...
1	example.com.	IN	SOA	120	ns1.example.com. hostmaster.example.com. 2000010101 28800 7200 1209600 120
2	.	IN	OPT	32768	
Rcode: 3, RD: 0, QR: 1, TC: 0, AA: 1, opcode: 0
Reply to question for qname='a.example.com.', qtype=A
