[Dnsmasq-discuss] list dns cache and expiration

[水静流深]

Dnsmasq have been installed on my os.
 cache-size=1024 was written in /etc/dnsmasq.conf.
 1.how to list all the dns cache on my dnsmasq?
 2.how to keep the dns cache expiration till  3600 seconds on dnsmasq?
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