国科云提供域名管理、域名锁、智能解析、DDI、IPv6转换、SSL证书等一站式域名解决方案，并形成以云解析、云监控、云盾、云服务器为核心的云计算产品服务体系。
发布时间：2023-02-08 11:00:03
网络攻击高涨，DNS成重点攻击对象而由于域名系统在网络互联中的特殊作用，其越来越受到网络攻击行为的关注，成为增长最为明显，破坏力最强的攻击方式之一。EfficientIP与IDC合作发布的《2022年全球DNS威胁报告》指出，在过去一年中，88%的组织遭受了与DNS相关的攻击，平均每家公司有7次，其中包括DNS隧道、DDoS攻击、.........【阅读全文】
发布时间：2023-02-07 17:26:07
一、什么是TTL值？标准的域名解析过程是客户端发起解析请求，首先请求递归服务器，递归服务器代替客户端向根服务器、顶级服务器和权威服务器发起请求，这个环节要经过全球多级查询，如果每一次请求都按照这个流程操作，就会产生很大的延迟。二、TTL值对域名解析的影响反之，如果TTL值越小，DNS缓存存活的时间.........【阅读全文】
发布时间：2023-02-03 15:53:58
传统DNS解析原理传统DNS解析的弊端在传统DNS解析过程中，local DNS作用十分明显，如果攻击者在local DNS缓存中注入错误的解析结果，就可能将访问者引导至受攻击者控制的错误网站或站点不可达，这就是DNS劫持攻击。DNS劫持目前已成为网络攻击中一种非常常见且破坏巨大的攻击行为。在不存在DNS缓存的情况下，客.........【阅读全文】
发布时间：2023-02-02 16:57:35
1.信息准确真实2.设置whois隐私保护3.使用安全系数高的账号密码4.选择专业可靠的域名服务商以上，就是提升域名安全的几种有效措施，随着互联网应用的快速发展普及，域名的重要性日益凸显，加强域名安全管理至关重要。.........【阅读全文】
发布时间：2023-02-01 16:47:53
域名服务器 域名解析的过程 进行域名解析过程就如同学生遇到问题的解决过程，首先他要找到老师（根域名服务器）询问问题，老师会告知他去查询哪本书（顶级域名服务器），他去查询书的目录找到要查询的章节（权威域名服务器），最终在目标章节中找到需要解答的问题（解析记录），这一过程中，根域名服务器充当了最.........【阅读全文】
JVDLFFLR2025-08-03 17:15
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