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@echo off for /f "delims="%%i in (a.txt) do ( netsh interface ip set dns name="本地连接" static %%i primary nslookup www.baidu.com&&>>b.txt )复制代码
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@echo off for /f "delims="%%i in (a.txt) do nslookup www.baidu.com %%i|findstr /c:"UnKnown">nul||echo %%i>>b.txt复制代码
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