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：2025-02-10 15:36:31
? 2019年初，美国80个政府网站TLS证书过期，使得这些站点无法被公众访问。? 2020年2月，由于证书过期，微软协同办公软件Team在全球范围内发生宕机瘫痪状态。? 2024年7月，英格兰银行支付系统系统因“银行基础设施中的SSL/TLS证书过期”而发生故障。SSL证书为什么会有有效期？大部分企业类型的SSL证书.........【阅读全文】
发布时间：2025-02-08 11:18:56
然而，DNS 也面临着诸多攻击威胁，一旦遭受攻击，可能导致网络瘫痪、用户信息泄露等严重后果。那么，DNS 攻击方式有哪些？又该如何应对呢？DNS 缓存投毒DNS 拒绝服务攻击（DDoS）DNS 劫持如何应对DNS攻击？部署先进的防火墙和入侵检测系统（IDS），实时监测 DNS 服务器的流量和活动，及时发现并阻止.........【阅读全文】
发布时间：2025-02-07 16:29:32
域名解析尚未生效DNS 服务器设置问题服务器配置有误域名被注册商暂停或锁定新注册的域名无法访问，原因可能是多方面的。遇到这种情况，不要慌张，按照上述几个方面逐一排查，如果上面方法都无法解决域名访问问题，就需要联系域名注册商，寻求专业帮助。.........【阅读全文】
发布时间：2025-01-24 11:08:59
强化DNS协议的安全性保持DNS服务器软件的及时更新配置严格的访问控制策略实时监测DNS解析状态配置合理的TTL值采用高防DNSDNS冗余策略......【阅读全文】
发布时间：2025-01-23 16:09:16
首先，需要检查域名解析配置是否正确。这包括确认域名的A记录、CNAME记录和MX记录是否设置正确。A记录用于将域名指向对应的IP地址，CNAME记录用于将域名指向另一个域名，而MX记录则用于邮件服务的指向。这些配置通常由域名注册商或DNS服务提供商提供，因此需要通过登录相应的控制面板进行检查和修改。另外，修改解析.........【阅读全文】
JVDLFFLR2025-08-03 17:15
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