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：2025-04-08 13:53:39
解析冲突是怎么回事？例如，CNAME记录通常具有最高优先级。如果为某个域名同时配置了CNAME记录和MX记录，当DNS查询时，会优先返回CNAME记录的解析结果，这可能导致MX记录无法被正确解析，从而影响电子邮件服务。常见的冲突规则有哪些？在相同的主机头且同一条解析线路下，某些类型的解析记录不允许共存。例如.........【阅读全文】
发布时间：2025-04-03 11:35:01
1.证书过期2.证书颁发机构不被信任3.证书链不完整4.证书主体与域名不匹配5.自签名证书6.密钥泄露或证书被吊销7.兼容性问题......【阅读全文】
发布时间：2025-04-02 15:26:56
政策驱动转型需求，IPv6布局迫在眉睫需求升级多维驱动，改造聚焦三大核心安全防护强化：对互联网出口与互联网区之间的安全设备进行升级，构建多层安全防线，保障IPv6应用系统和数据的安全，抵御各类网络攻击。国科云IPv6改造方案，分段部署构筑安全防线分段改造：永州市政府IPv6改造工作分两个阶段推进。.........【阅读全文】
发布时间：2025-04-01 16:55:41
DNS劫持，也称为DNS重定向或DNS欺骗，是一种常见的网络攻击手段，攻击者通过篡改域名解析来实现对用户的欺诈或恶意行为。DNS（Domain Name System）是互联网的基础服务之一，负责将人们容易记忆的域名转换为计算机能够识别的IP地址。正常情况下，当用户尝试访问一个网站时，浏览器会向DNS服务器查询该网站对应的IP地址。.........【阅读全文】
发布时间：2025-03-31 14:59:26
一、更换DNS服务器是即时生效的吗？二、影响DNS服务器更换生效时间的因素有哪些？DNS缓存：DNS缓存是提高解析速度和减轻服务器负载的一种机制。DNS服务器和客户端（如用户的设备）都会缓存DNS记录。当DNS记录修改后，需要等待这些缓存过期或手动刷新缓存，新的解析结果才能生效。本地DNS缓存的生效时间通常较短，.........【阅读全文】
JVDLFFLR2025-08-03 17:15
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17194450143l2025-06-06 07:45
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