refactor(dns_optimizer): 优化DNS查询实现并清理代码

- 移除未使用的random和asyncio模块导入
- 删除无用的country_code变量定义
- 将DNS查询服务从Google DNS切换到Cloudflare DNS
- 更新请求头以适配Cloudflare DNS API格式
- 移除Google DNS特定的引用和用户代理设置
- 清理多余的空行和注释代码

dns_optimizer.py

@@ -1,6 +1,5 @@
 import requests
 from time import sleep
-import random
 import time
 import os
 import re
@@ -8,15 +7,10 @@ import sys
 from datetime import datetime, timezone, timedelta
 from retry import retry
 import socket
-import asyncio
-import aiohttp
 
 # 原始脚本地址： https://github.com/cnwikee/CheckTMDB.git
 
-country_code = 'jp'  # 节点
-
 DOMAINS = [
-    'dns.google',
     'tmdb.org',
     'api.tmdb.org',
     'files.tmdb.org',
@@ -55,8 +49,6 @@ def write_host_file(file_path: str, hosts_content: str, filename: str) -> None:
         output_fb.write(hosts_content)
         print(f"\n~最新{filename}地址已更新~")
 
-
-
 def ping_ip(ip, port=80):
     print(f"使用TCP连接测试IP地址的延迟（毫秒）")
     try:
@@ -153,14 +145,14 @@ def get_domain_ips(domain, record_type):
     all_ips = []  # 存储所有DNS服务器返回的IP
 
     print(f"正在从Google DNS获取 {domain} 的{record_type}记录...")
-    url = f'https://dns.google/resolve'
+    url = f'https://cloudflare-dns.com/dns-query'
     headers = {
-        "accept": "*/*",
-        "accept-encoding": "gzip, deflate, br, zstd",
-        "accept-language": "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6",
-        "content-type": "application/json; charset=UTF-8",  # 关键：指定JSON格式负载
-        "referer": f"https://dns.google/query?name={domain}&rr_type={record_type}&ecs=",
-        "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0"
+        "accept": "application/dns-json"
+        # "accept-encoding": "gzip, deflate, br, zstd",
+        # "accept-language": "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6",
+        # "content-type": "application/json; charset=UTF-8",  # 关键：指定JSON格式负载
+        # "referer": f"https://dns.google/query?name={domain}&rr_type={record_type}&ecs=",
+        # "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0"
     }
 
     params = {