DNS记录批量查询工具：A/MX/TXT/NS/CNAME多类型查询、多域名批量检测、结果对比导出CSV

🚀 实例简介

一款基于Python Tkinter的DNS记录批量查询桌面工具，支持A/MX/TXT/NS/CNAME五种记录类型，多域名批量查询，结果实时显示，一键导出CSV报告。适用于网站运维、SEO验证、网络排障等场景。

💻 核心代码

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
DNS记录批量查询工具
支持 A/MX/TXT/NS/CNAME 多类型查询，多域名批量检测，结果导出CSV
"""
import tkinter as tk
from tkinter import ttk, scrolledtext, filedialog, messagebox
import dns.resolver
import csv
import threading
import platform

CHINESE_FONT = "WenQuanYi Zen Hei" if platform.system() == "Linux" else "Microsoft YaHei"

class DNSQueryApp:
    def __init__(self, root):
        self.root = root
        self.root.title("DNS记录批量查询工具")
        self.root.geometry("720x560")
        self.root.configure(bg="#f0f0f0")
        
        # 标题
        tk.Label(root, text="🌐 DNS记录批量查询工具", 
                 font=(CHINESE_FONT, 16, "bold"), bg="#f0f0f0", fg="#2c3e50").pack(pady=10)
        
        # 输入区域
        input_frame = tk.Frame(root, bg="#f0f0f0")
        input_frame.pack(fill=tk.X, padx=15, pady=5)
        
        tk.Label(input_frame, text="域名列表（每行一个）:", 
                 font=(CHINESE_FONT, 11), bg="#f0f0f0").grid(row=0, column=0, sticky="w")
        
        # 记录类型选择
        type_frame = tk.Frame(root, bg="#f0f0f0")
        type_frame.pack(fill=tk.X, padx=15, pady=5)
        tk.Label(type_frame, text="查询类型:", font=(CHINESE_FONT, 11), bg="#f0f0f0").pack(side=tk.LEFT)
        
        self.record_types = tk.StringVar(value=["A", "MX", "CNAME"])
        for rtype in ["A", "MX", "TXT", "NS", "CNAME"]:
            cb = tk.Checkbutton(type_frame, text=rtype, variable=self.record_types, 
                               onvalue=rtype, offvalue="", font=(CHINESE_FONT, 10), bg="#f0f0f0")
            cb.pack(side=tk.LEFT, padx=5)
        
        # 域名输入框
        self.domain_text = scrolledtext.ScrolledText(root, height=6, font=(CHINESE_FONT, 10))
        self.domain_text.pack(fill=tk.BOTH, padx=15, pady=5, expand=True)
        self.domain_text.insert("1.0", "baidu.com
qq.com
taobao.com")
        
        # 按钮区
        btn_frame = tk.Frame(root, bg="#f0f0f0")
        btn_frame.pack(fill=tk.X, padx=15, pady=5)
        
        tk.Button(btn_frame, text="🔍 开始查询", font=(CHINESE_FONT, 11, "bold"),
                 bg="#27ae60", fg="white", command=self.start_query).pack(side=tk.LEFT, padx=5)
        tk.Button(btn_frame, text="📥 导出CSV", font=(CHINESE_FONT, 11),
                 bg="#3498db", fg="white", command=self.export_csv).pack(side=tk.LEFT, padx=5)
        tk.Button(btn_frame, text="🗑️ 清空结果", font=(CHINESE_FONT, 11),
                 bg="#95a5a6", fg="white", command=self.clear_result).pack(side=tk.LEFT, padx=5)
        
        self.status_var = tk.StringVar(value="就绪")
        tk.Label(root, textvariable=self.status_var, font=(CHINESE_FONT, 10), 
                 bg="#f0f0f0", fg="#7f8c8d").pack(pady=3)
        
        # 结果展示
        self.result_text = scrolledtext.ScrolledText(root, height=12, font=(CHINESE_FONT, 10))
        self.result_text.pack(fill=tk.BOTH, padx=15, pady=5, expand=True)
        
        self.results = []  # 存储查询结果用于导出
    
    def start_query(self):
        """启动查询线程"""
        domains = [line.strip() for line in self.domain_text.get("1.0", tk.END).split('
') if line.strip()]
        if not domains:
            messagebox.showwarning("提示", "请输入至少一个域名")
            return
        
        self.result_text.delete("1.0", tk.END)
        self.results = []
        self.status_var.set("查询中...")

💡 适用场景

办公自动化、数据分析、快速原型开发