A large number of "ANY" query type queries

[ShanyiWan]

On the DNS server, a large number of "ANY" type queries occur,why? The same IP address, produced a large number of requests within a very short period of time. Can I block these IPs?


ShanyiWan
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.isc.org/pipermail/bind-users/attachments/20120328/fd8e5c0a/attachment.html>