مشکل در درخواست هایی از دی ان اس سرور های که در سرور تعریف نشده

سلام مشکل جدیدی برایم به وجود اومده.
از طرف یک سری دی ان اس هی به سرور من درخواست ارسال میشه.
نمونش.

کد:

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Dec 30 05:35:28 server1 named[29877]: client 4.68.25.3#28734: query (cache) 'ns2.xxxxx.ir/AAAA/IN' denied
Dec 30 05:35:29 server1 named[29877]: client 4.68.25.3#29176: query (cache) 'ns1.xxxxx.ir/AAAA/IN' denied
Dec 30 05:35:29 server1 named[29877]: client 4.68.25.3#26084: query (cache) 'ns2.xxxxx.ir/AAAA/IN' denied
Dec 30 05:35:29 server1 named[29877]: client 4.68.25.3#27253: query (cache) 'ns1.xxxxx.ir/AAAA/IN' denied
Dec 30 05:35:29 server1 named[29877]: client 88.131.106.24#9279: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:29 server1 named[29877]: client 4.68.25.3#27314: query (cache) 'ns1.xxxxx.ir/AAAA/IN' denied
Dec 30 05:35:29 server1 named[29877]: client 88.131.106.24#54823: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:30 server1 named[29877]: client 88.131.106.24#46609: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:30 server1 named[29877]: client 88.131.106.24#30246: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:30 server1 named[29877]: client 88.131.106.24#46120: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:30 server1 named[29877]: client 88.131.106.24#37709: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:30 server1 named[29877]: client 4.68.25.3#27170: query (cache) 'ns1.xxxxx.ir/AAAA/IN' denied
Dec 30 05:35:30 server1 named[29877]: client 88.131.106.24#14907: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:37 server1 named[29877]: client 88.131.106.24#4129: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:37 server1 named[29877]: client 88.131.106.24#63691: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:41 server1 named[29877]: client 88.131.106.24#26199: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:52 server1 named[29877]: client 88.131.106.24#18839: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:52 server1 named[29877]: client 88.131.106.24#55138: query (cache) 'zzzzzz.ir/A/IN' denied
Dec 30 05:35:53 server1 named[29877]: client 66.235.116.128#53: query (cache) 'ns1.zzzzzz.net/AAAA/IN' denied
Dec 30 05:35:53 server1 named[29877]: client 66.235.116.128#53: query (cache) 'ns2.zzzzzz.net/AAAA/IN' denied
Dec 30 05:35:53 server1 named[29877]: client 66.235.116.128#53: query (cache) 'ns2.zzzzzz.net/AAAA/IN' denied
Dec 30 05:35:53 server1 named[29877]: client 66.235.116.128#53: query (cache) 'ns1.zzzzzz.net/AAAA/IN' denied
Dec 30 05:36:00 server1 named[29877]: client 66.235.113.24#52664: query (cache) 'ns2.zzzzzz.net/A/IN' denied
Dec 30 05:36:00 server1 named[29877]: client 66.235.113.22#52664: query (cache) 'ns2.zzzzzz.net/A/IN' denied
Dec 30 05:36:01 server1 named[29877]: client 66.235.113.120#54293: query (cache) 'ns2.zzzzzz.net/A/IN' denied

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اين ميتونه همون آلوده سازي كش dns باشه؟
هموني كه باهاش تويتر و اون سايت هاي چيني زده شد؟

با csf یا هر فایروال دیگری که دارید آی پی هاشون رو بلاک کنید

Adding the following to your /etc/named.conf will stop logging the cache denied messages:

Code:

category security { null; };
So it ends up looking like this in the logging section:
Code:

logging { category security { null; }; channel default_debug { file "data/named.run"; severity dynamic; };};

آیا این راه حل مشکل شما رو بر طرف کرد ؟