IP地址解析DNS
背景
指定IP解析域名，查看解析的域名，常用作CDN地址解析查询是否生效。本文章给出几个解决方案的shell脚本
#!/bin/bash # #**************************************************************************************** #Author: wei #*************************************************************************************** circulate_check () { RED=`echo -e '\e[1;31m'` GGREEN=`echo -e '\e[1;32m'` BLUE=`echo -e '\e[1;36m'` END=`echo -e '\e[0m'` while true ;do read -p "${BLUE}请输入ip地址：${END}" IP_LIST if [[ "${IP_LIST}" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]];then echo "${GGREEN}输入的IP为IPV4${END}" RESOLVE_RESULT=$(curl --resolve www.baidu.com:443:${IP_LIST} 'https://www.baidu.com/' -o /dev/null -vk 2>&1| egrep 'common name' |awk '{print $NF}') if [[ "${RESOLVE_RESULT}" == *.weirui.cn ]];then echo "${GGREEN}IP为杭${END}" elif [[ "${RESOLVE_RESULT}" == *.weiruivideo.com ]];then echo "${GGREEN}IP为自${END}" fi elif [[ "${IP_LIST}" =~ ([0-9a-Z]{0,4}\:){5}[0-9a-Z]{0,4}$ ]];then echo '输入的IP为IPV6' # RESOLVE_RESULT=$(curl --resolve www.baidu.com:443 "https://[${IP_LIST}]" -vv -o /dev/null -k -g 2>&1 | egrep 'common name' |awk '{print $NF}') RESOLVE_RESULT=$(curl --resolve www.baidu.com:443:[${IP_LIST}] "https://www.baidu.com" -vv -o /dev/null -k -g 2>&1 | egrep 'common name' | awk '{print $NF}') if [[ "${RESOLVE_RESULT}" == *.weirui.cn ]];then echo "${GGREEN}IP为杭${END}" elif [[ "${RESOLVE_RESULT}" == *.weiruivideo.com ]];then echo "${GGREEN}IP为自${END}" fi elif [[ "${IP_LIST}" == exit ]];then echo "${GGREEN}exit...${END}" && exit else echo "${RED}输入的IP错误，请重新输入！${END}" fi done } ip_check () { #传入IP地址的变量和值 read -p "请输入ip地址：" IP_LIST #判断变量是否为IPV4 if [[ "${IP_LIST}" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]];then echo '输入的IP为IPV4' #获取IPv4地址解析的结果，并自定义变量 RESOLVE_RESULT=$(curl --resolve www.baidu.com:443:${IP_LIST} 'https://www.baidu.com/' -o /dev/null -vk 2>&1| egrep 'common name' |awk '{print $NF}') #判断变量是哪家的 if [[ "${RESOLVE_RESULT}" == *.weirui.cn ]];then echo 'IPV4为杭' elif [[ "${RESOLVE_RESULT}" == *.weiruivideo.com ]];then echo 'IPV4为自' #都不满足条件则打印错误结果和IP，方便排查问题 else echo "IPV4解析异常，解析结果为：${RESOLVE_RESULT}，请检查解析IP为：${IP_LIST}" fi #如果上面匹配失败，接下来判断变量是否为IPV6 elif [[ "${IP_LIST}" =~ ([0-9a-Z]{0,4}\:){5}[0-9a-Z]{0,4}$ ]];then echo '输入的IP为IPV6' RESOLVE_RESULT=$(curl --resolve www.baidu.com:443:[${IP_LIST}] "https://www.baidu.com" -vv -o /dev/null -k -g 2>&1 | egrep 'commonname' | awk '{print $NF}') # RESOLVE_RESULT=$(curl --resolve www.baidu.com:443 "https://[${IP_LIST}]" -vv -o /dev/null -k -g 2>&1 | egrep 'common name' | awk'{print $NF}') if [[ "$RESOLVE_RESULT}" == *.weirui.cn ]];then echo 'IPV6为杭' elif [[ "${RESOLVE_RESULT}" == *.weiruivideo.com ]];then echo 'IPV6为自' else echo "IPV6解析异常，解析结果为：${RESOLVE_RESULT}，请检查解析IP为：${IP_LIST}" fi #如果上面条件匹配都不满足，则打印信息退出 else echo '输入的IP错误，请重新输入！' fi } ip_auto_check () { if [[ $1 =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]];then echo '输入的IP为IPV4' RESOLVE_RESULT=$(curl --resolve www.baidu.com:443:$1 'https://www.baidu.com/' -o /dev/null -vk 2>&1| egrep 'common name' |awk '{print $NF}') if [[ "${RESOLVE_RESULT}" == *.weirui.cn ]];then echo 'IPV4为杭' elif [[ "${RESOLVE_RESULT}" == *.weiruivideo.com ]];then echo 'IPV4为自' else echo "IPV4解析异常，解析结果为：${RESOLVE_RESULT}，请检查解析IP为：${IP_LIST}" fi elif [[ $1 =~ ([0-9a-Z]{0,4}\:){5}[0-9a-Z]{0,4}$ ]];then echo '输入的IP为IPV6' RESOLVE_RESULT=$(curl --resolve www.baidu.com:443:[$1] "https://www.baidu.com" -vv -o /dev/null -k -g 2>&1 | egrep 'common name' |awk '{print $NF}') # RESOLVE_RESULT=$(curl --resolve www.baidu.com:443 "https://[$1]" -vv -o /dev/null -k -g 2>&1 | egrep 'common name' | awk '{print$NF}') if [[ "$RESOLVE_RESULT}" == *.weirui.cn ]];then echo 'IPV6为杭' elif [[ "${RESOLVE_RESULT}" == *.weiruivideo.com ]];then echo 'IPV6为自' else echo "IPV6解析异常，解析结果为：${RESOLVE_RESULT}，请检查解析IP为：$1" fi else echo '输入的IP错误，请重新输入！' fi } ip_more_check () { echo '请将IP写入ip-list.txt文件' NUM=$(wc -l ip-list.txt |awk '{print $1}') [[ "${NUM}" == 0 ]] && echo 'ip-list.txt内容为空' || echo 'ip-list.txt内容不空' IP_LIST=$(cat ip-list.txt) for i in ${IP_LIST};do if [[ "${i}" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]];then echo '输入的IP为IPV4' RESOLVE_RESULT=$(curl --resolve www.baidu.com:443:${i} 'https://www.baidu.com/' -o /dev/null -vk 2>&1| egrep 'common name' |awk '{print $NF}') if [[ "${RESOLVE_RESULT}" == *.weirui.cn ]];then echo 'IPV4为杭' elif [[ "${RESOLVE_RESULT}" == *.weiruivideo.com ]];then echo 'IPV4为自' else echo "IPV4解析异常，解析结果为：${RESOLVE_RESULT}，请检查解析IP为：${i}" fi elif [[ "${i}" =~ ([0-9a-Z]{0,4}\:){5}[0-9a-Z]{0,4}$ ]];then echo '输入的IP为IPV6' RESOLVE_RESULT=$(curl --resolve www.baidu.com:443:[${i}] "https://www.baidu.com" -vv -o /dev/null -k -g 2>&1 | egrep 'common name' | awk '{print $NF}') # RESOLVE_RESULT=$(curl --resolve www.baidu.com:443 "https://[$i]" -vv -o /dev/null -k -g 2>&1 | egrep 'common name' | awk '{print $NF}') if [[ "${RESOLVE_RESULT}" == *.weirui.cn ]];then echo 'IPV6为杭' elif [[ "${RESOLVE_RESULT}" == *.weiruivideo.com ]];then echo 'IPV6为自' else echo "IPV6解析异常，解析结果为：${RESOLVE_RESULT}，请检查解析IP为：${i}" fi else echo '输入的IP错误，请重新输入！' fi done } #方法一： 交互式循环查询操作，exit退出操作，如：./check-ip.sh #circulate_check #方法二： 单次查询IP操作，交互式，如：./check-ip.sh #ip_check # 方法三： 单次指定IP查询，非交互式，如：./check-ip.sh 120.24.61.213 #ip_auto_check $1 #方法四： 批量处理IP的解析 ip_more_check #方法五： 菜单式查询，交互式，case语句 #方法六：循环菜单式查询，交互式，while + case语句
操作演示
方法一
方法二
方法三
方法四
剩下两种场景可自行研究编写，有需要提供思路可联系指导