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操作系统信息
linux centos 7
kubernetes: v1.23.8
kubesphere: 3.3.3
image: registry.cn-beijing.aliyuncs.com/kubesphereio/coredns:1.8.6
Kubernetes版本信息
例如：v18.6。单节点还是多节点。
容器运行时
例如，使用 docker/containerd，版本多少
coredns/coredns#7200
coredns出现大量pool.dudiito.dev dns解析，直至内存溢出coredns重启，反复如此。
.:53
[INFO] plugin/reload: Running configuration MD5 = a92e8dcfa9c78d1e466347d23bc0295c
CoreDNS-1.8.6
linux/amd64, go1.17.1, 13a9191
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:34538->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:45715->114.114.114.114:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:57106->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:60419->114.114.114.114:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:54368->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:58945->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:59294->114.114.114.114:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:38624->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:36790->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:38684->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:50567->114.114.114.114:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:46511->114.114.114.114:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:45793->114.114.114.114:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:32883->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. AAAA: read udp 10.10.0.111:43146->114.114.114.114:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:38982->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:37829->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:40613->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:48043->10.30.0.3:53: i/o timeout
[ERROR] plugin/errors: 2 pool.dudiito.dev. A: read udp 10.10.0.111:38104->10.30.0.3:53: i/o timeout
