网络与 DNS 工具

DoH (DNS-over-HTTPS) 诊断、IP 地址与 HTTP 请求头查看

这些网络与 DNS 工具可帮助您更快、更高效地工作。本页中的所有工具均在浏览器中本地运行，无需安装，无需账号。在下方选择工具即可即刻开始。

供工程师、撰稿人与数字化团队日常高效使用。免费、隐私友好且全面适配移动设备。

My IP & Browser Info – View your public IP, user agent, language, screen size. Rate limited for fair use.
Browser Info – View browser capabilities: user agent, screen, language, connection type, cookies. All client-side, no server.
Request Headers Echo – See what headers your browser sends. Useful for debugging and API development. Shows all incoming request headers.
HTTP Headers Checker – Fetch a URL and view response status and headers. Check CORS, cache-control, and server headers.
Subnet / CIDR Calculator – Calculate IP subnet mask, network address, broadcast address, IP range, wildcard mask, and usable host count from IP and CIDR prefix.
DoH DNS Lookup & Record Checker – Query DNS records (A, AAAA, MX, TXT, SPF, DMARC, CNAME, NS) directly in your browser using secure Cloudflare DNS-over-HTTPS.

View your public IP, user agent, language, screen size. Rate limited for fair use.

View browser capabilities: user agent, screen, language, connection type, cookies. All client-side, no server.

See what headers your browser sends. Useful for debugging and API development. Shows all incoming request headers.

Fetch a URL and view response status and headers. Check CORS, cache-control, and server headers.

Calculate IP subnet mask, network address, broadcast address, IP range, wildcard mask, and usable host count from IP and CIDR prefix.

Query DNS records (A, AAAA, MX, TXT, SPF, DMARC, CNAME, NS) directly in your browser using secure Cloudflare DNS-over-HTTPS.

常见问题解答

什么是网络与 DNS 工具工具？: 网络与 DNS 工具工具是一组直接在浏览器中运行的免费在线实用程序，帮助技术人员更高效地完成日常任务，免去安装软件的繁琐。
网络与 DNS 工具系列工具免费吗？: 是的。everytools 中的所有网络与 DNS 工具工具完全免费，没有每日使用频率限制。
如何使用网络与 DNS 工具工具？: 打开该分类下的任意工具，在输入框粘贴或键入数据，页面将实时计算并呈现结果。点击“复制”即可一键将输出复制到剪贴板。
使用网络与 DNS 工具工具需要安装插件或客户端吗？: 不需要。所有工具均在现代网页浏览器中直接运行，电脑和手机均可完美使用。