DNS Cache Setup
	Cache Positive DNS Resolutions
		Maximum TTL	(60~3600 sec)
	Cache Negative DNS Resolutions
		Negative Cache Period	(60~3600 sec)

DNS Cache Entry
	# Cache Type Domain Name IP Address Remaining Time (sec) Modify 1 Positive myupdate.zywall.zyxel.com 220.128.56.43 1699 2 Positive fwd.pulver.com 69.90.155.70 1350

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