$ORIGIN .
sub.example.net		7200	IN DNSKEY 257 3 7 (
					AwEAAeOdfq7cwfhl3aL8BlURGngPA+3I2E3G
					3XPRE7Yaw/Nco7aXorHKJgRFMoM30q7jDBau
					dLeXC//fOQAw2P5vCwyuHmIFo4flXn51sMeF
					pWdP7E8fmi4k/YoCESu+vBvf+rZWDMVosj8V
					VEIbKTcJE16Nsd1ls1FIGfiqfu8SrJ0f
					) ; key id = 18846
