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：2021-11-09 14:35:56
接下来，我们简单介绍下递归服务器和权威服务器有哪些区别？当客户端发起上网请求时，在查询了本机各种缓存之后没有获得相应的解析记录，就会向本地域名服务器发起查询请求。本地域名服务器会先查询自己的本地缓存，如果有结果直接返给客户端，如果没有结果就会代替客户端向根域名服务器、顶级域名服务器、二.........【阅读全文】
发布时间：2021-11-08 14:35:22
在紧急修复后，特斯拉官方发表声明称该状况系APP域名证书（SSL证书）过期所致。如此推崇技术的一家企业竟然出现这种低级的技术问题，实在让人大跌眼镜。不过特斯拉并非个例，证书过期事件曾在众多大型企业甚至是国外的政府机构网站中屡次发生。? LinkedIn在2019年5月发生了第二次证书过期事件，导致该社交媒体站.........【阅读全文】
发布时间：2021-11-05 13:42:44
如果出现域名解析长时间不生效，就需要检查一下域名的状态，可以通过whois工具查看域名当前的状态是否出现了异常。如果域名的状态是clienthoold（暂停解析）或severhold状态，说明域名是被禁止解析的，在这种状态下，即使设置了域名解析，也是无法生效的，域名无法被访问到，需要联系域名注册商取消这个状态。.........【阅读全文】
发布时间：2021-11-04 14:05:57
什么是递归查询？在整个递归查询过程中，除一开始客户端向本地域名服务器发起查询请求外，其余各个环节均是以本地域名服务器为中心进行迭代查询，DNS客户端一直处于等待状态，直到本地域名服务器发回最终查询结果。相当于，在整个查询环节中本地域名服务器承担了中介代理的角色。2.本地域名服务器收到.........【阅读全文】
发布时间：2021-11-03 15:24:15
AAAA记录(AAAA record)是用来将域名解析到IPv6地址的DNS记录。与之相对的A记录只能将域名解析到IPv4地址上，如果需要将域名解析到一个IPv6地址上，就需要添加一条AAAA记录。AAAA记录的添加方式与A记录基本一致，只是需要将记录类型修改为AAAA记录即可。我们以example.com，为例进行介绍如果我们要.........【阅读全文】
JVDLFFLR2025-08-03 17:15
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