first commit

internal/handler/dns.go

@@ -0,0 +1,45 @@
+package handler
+
+import (
+	"net"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+func handleDns(c *gin.Context, url string, params map[string]interface{}) {
+	// 执行DNS查询
+	start := time.Now()
+	ips, err := net.LookupIP(url)
+	lookupTime := time.Since(start).Milliseconds()
+
+	if err != nil {
+		c.JSON(200, gin.H{
+			"type":  "ceDns",
+			"url":   url,
+			"error": err.Error(),
+		})
+		return
+	}
+
+	// 格式化IP列表
+	ipList := make([]map[string]interface{}, 0)
+	for _, ip := range ips {
+		ipType := "A"
+		if ip.To4() == nil {
+			ipType = "AAAA"
+		}
+		ipList = append(ipList, map[string]interface{}{
+			"type": ipType,
+			"ip":   ip.String(),
+		})
+	}
+
+	c.JSON(200, gin.H{
+		"type":      "ceDns",
+		"url":       url,
+		"ips":       ipList,
+		"lookup_time": lookupTime,
+	})
+}
+