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：2021-12-14 16:34:32
DNS查询顺序（2）如果浏览器没有缓存，电脑会查看本地操作系统的缓存，如果有记录，直接返回结果；在上面的DNS查询过程中，第二个步骤即电脑查看本地操作系统中的缓存，这里的缓存文件即为hosts文件。但是hosts设置的IP地址是静态的，如果web app的宿主机地址发生改变，对应的hosts也要改写。.........【阅读全文】
发布时间：2021-12-13 14:28:50
Apache Log4j2中存在JNDI注入漏洞，当用户输入的数据被应用程序记录时，可能触发该漏洞，黑客可利用此漏洞在目标服务器上执行任意代码。漏洞名称 : Apache Log4j2远程代码执行漏洞影响版本 : 2.0 ≤ Apache Log4j <= 2.14.1利用条件 :综合评价 :<综合评定威胁等级>：严重，能造成远程.........【阅读全文】
发布时间：2021-12-10 15:29:49
12月7日，阿里云监控发现部分域名访问异常，阿里云工程师初步确认是由异常流量导致的CDN DNS解析故障，经过阿里云工程师紧急处理，目前所有解析已恢复正常。12月1日， 中国信息通信研究院发布《互联网域名行业季报（2021年第三季度）》。报告显示截至2021年6月，我国域名注册市场规模已降至不足3400万个，其中国家代.........【阅读全文】
发布时间：2021-12-03 16:35:52
Windows：使用nslookup 命令查询域名解析状态。选择开始菜单，单击“运行”，输入“cmd”，在命令行窗口中输入以下命令：nslookup -qt=txt “您的域名” 分析您的输出信息，确保已正确配置了DNS解析记录。Linux：使用dig命令查询您的域名解析状态。在linux终端输入：dig 域名 txt，查看输出信息，确保已正.........【阅读全文】
发布时间：2021-12-02 16:35:44
我们平时输入的网址（或者域名）不能直接由计算机识别，必须通过DNS服务器将域名翻译成IP地址，才能完整访问过程。这个过程被称为DNS解析，这是完成访问必不可少的一个环节。1.用户在浏览器中输入要访问的域名；3.本地DNS向根服务器发起请求；5.顶级服务器将域名所属的权威服务器返回给本地DNS；.........【阅读全文】
JVDLFFLR2025-08-03 17:15
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