[dns-operations] FAQ - Where is our pointer of all the root/TLD addresses to build prefix and dampening filters?
Danny McPherson
danny at tcb.net
Thu Feb 28 16:42:07 UTC 2008
>
> [calamari:~]% dig @f.root-servers.net . axfr | \
> pipe> awk '/IN[[:space:]]*A[[:space:]]/ { print $5; }' | \
> pipe> pipe> sort | uniq | wc -l
> 991
i.e., allow them to be suppressed if unstable, or turn off
dampening.
Put those prefixes filtering resources to use elsewhere
(e.g., on your peers).
-danny
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