rename directory

Template App Nginx by Zabbix agent Enhanced/dns-check

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+function get_domain_entry {
+	IFS='.' read -r -a domain <<< "$1"
+	NS="8.8.8.8"
+	count=0
+	pendingdomain=""
+	for i in `printf '%s\n' "${domain[@]}"|tac`; do
+		count=$((count+1))
+		pendingdomain="${i}.${pendingdomain}"
+		for j in $NS; do
+			NEXTNS=`dig @${j} +timeout=1 +time=1 +tries=2 +noall +authority +answer ${pendingdomain} NS | awk '{if($4 == "NS") {print $5}}' | tr '\n' ' ' | sed -e '/^;;/d'`
+			if [ -n "$NEXTNS" ];then
+				NS=$NEXTNS
+				break
+			fi
+		done
+		if [ "$count" == "${#domain[@]}" ]; then
+			for j in $NS; do
+				rawresult=`dig @${j} +timeout=1 +time=1 +tries=2 +noall +authority +answer ${pendingdomain} A ${pendingdomain} AAAA | sed -e '/^;;/d'`
+				CNAME=`echo "$rawresult" | awk '{if($4 == "CNAME") {print $5}}' | head -n 1`
+				ENTRY=`echo "$rawresult" | awk '{if($4 == "A" || $4 == "AAAA") {print $5}}'`
+				if [ -n "$ENTRY" ]; then
+					echo "$ENTRY"
+					break
+				elif [ -n "$CNAME" ]; then
+					ENTRY=`get_domain_entry "$CNAME"`
+					echo "$ENTRY"
+					break
+				fi
+			done
+		fi
+	done
+}
+result=`get_domain_entry $1`
+echo $result | tr '\n' ' '