Implement DNS TXT record verification for domain ownership validation

Author: aphansal123

examples/dns-verify/main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/modelcontextprotocol/registry/internal/verification"
+)
+
+func main() {
+	if len(os.Args) != 3 {
+		fmt.Println("Usage: dns-verify <domain> <token>")
+		fmt.Println("Example: dns-verify example.com TBeVXe_X4npM6p8vpzStnA")
+		os.Exit(1)
+	}
+
+	domain := os.Args[1]
+	token := os.Args[2]
+
+	fmt.Printf("🔍 Verifying DNS record for domain: %s\n", domain)
+	fmt.Printf("🎯 Expected token: %s\n", token)
+	fmt.Printf("📋 Expected DNS record: mcp-verify=%s\n\n", token)
+
+	// Perform DNS verification
+	result, err := verification.VerifyDNSRecord(domain, token)
+	if err != nil {
+		log.Printf("❌ DNS verification error: %v", err)
+		os.Exit(1)
+	}
+
+	// Display results
+	fmt.Printf("📊 Verification Results:\n")
+	fmt.Printf("   Success: %t\n", result.Success)
+	fmt.Printf("   Domain: %s\n", result.Domain)
+	fmt.Printf("   Token: %s\n", result.Token)
+	fmt.Printf("   Duration: %s\n", result.Duration)
+	fmt.Printf("   Message: %s\n", result.Message)
+
+	if len(result.TXTRecords) > 0 {
+		fmt.Printf("\n📝 Found TXT Records:\n")
+		for i, record := range result.TXTRecords {
+			fmt.Printf("   %d. %s\n", i+1, record)
+		}
+	}
+
+	if result.Success {
+		fmt.Println("\n✅ Domain verification successful!")
+		os.Exit(0)
+	} else {
+		fmt.Println("\n❌ Domain verification failed!")
+		os.Exit(1)
+	}
+}