14 lines
341 B
Bash
14 lines
341 B
Bash
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#!/bin/bash
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# 检查参数个数是否正确
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if [ $# -ne 2 ]; then
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echo "用法: $0 <域名> <DNS服务器地址>"
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exit 1
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fi
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domain="$1"
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dns_server="$2"
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# 使用dig命令查询域名对应的IP地址，并过滤结果只保留IP地址
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dig +short "$domain" @$dns_server | grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$"
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