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Hands-on DNSSEC with DNSViz

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Add New KSK to example.com Z<strong>on</strong>e (9.4 – 9.8)<br />

• Generate new KSK:<br />

# NEWKSK=`dnssec-keygen -n ZONE -f KSK -a RSASHA256 -b 2048 \<br />

-r /dev/urandom example.com`<br />

# cat $NEWKSK.key >> db.example.com<br />

• Re-sign z<strong>on</strong>e:<br />

# dnssec-signz<strong>on</strong>e -x -r /dev/urandom \<br />

-k $KSK -o example.com db.example.com $ZSK<br />

• Reload z<strong>on</strong>e<br />

# service bind9 reload<br />

$ ./dnsviz_analyze example.com<br />

$ firefox example.com.html &<br />

$ dig +noall +comment +ad example.com<br />

Verisign Public<br />

79

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