It sounds like you are subject of a DoS attack or are being used in a DoS
attack against someone else. Often the IP addresses are forged. In other
cases they come from recursive servers that are also being abused.
You can configure response rate limiting.
https://bind9.readthedocs.io/en/v9_16
Hi ,
I have a DNS server using BIND 9.16 software.
I have a phenomenon where there are many queries from different IPs to the
subdomains of cosy.vn (these subdomains do not exist; the domain name
cosy.vn is the main domain I am using). These queries cause an overload for
my system. I have used IP
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