Should I scan a host I do not control?

Use diagnostic and port tools only on systems you own or are explicitly authorized to test.

Web operations

Network diagnostics

Web & Network Tools

Inspect public websites, DNS records, links, domains, ports, and response times.

7 focused toolsNo account neededProtected diagnostics

Find your workflow

Search by task, format, or result

press /

Popular starting points

Start with a proven web & network workflow

The most useful everyday tasks, selected for fast access.

7 tools in this collection

Recommended

Availability monitoring

Ping Monitor

Measure five HTTP latency samples with availability, average, range, and a visual chart.

Start this workflow

Website QA

Broken Link Checker

Inspect links on a public page and flag unreachable or failing destinations.

Open tool

DNS diagnostics

DNS Records Inspector

Query public A, AAAA, MX, TXT, CNAME, and NS records for a domain.

Open tool

Complete collection

Browse by workflow

Related tools stay together, so you can compare the right workflow without scanning a wall of identical cards.

Web content inspection

Choose the exact result you need.

HTML Content ScraperFetch a public page and extract its clean headings and paragraph text.

SEO crawling

Choose the exact result you need.

Sitemap BuilderCrawl a public website and compile discovered internal pages into XML.

Authorized diagnostics

Choose the exact result you need.

Port ScannerTest a constrained list of common TCP ports on an authorized public host.

Domain intelligence

Choose the exact result you need.

Whois Lookup DashboardQuery public RDAP registries for domain registration and status information.

Network diagnostics

What can you do with web & network tools?

The web and network section provides controlled diagnostics for public hosts and websites, including DNS, RDAP, links, sitemaps, ports, and response timing.

Network requests are validated and constrained to public destinations to reduce server-side request forgery and local-network probing risk.

Inspect public DNS and domain registration records.

Find broken links and build a crawl-based XML sitemap.

Measure HTTP latency and test a restricted set of common ports on authorized hosts.

Keep working

Related workflows

Broken Link Checker Inspect links on a public page and flag unreachable or failing destinations.Sitemap Builder Crawl a public website and compile discovered internal pages into XML.DNS Records Inspector Query public A, AAAA, MX, TXT, CNAME, and NS records for a domain.Ping Monitor Measure five HTTP latency samples with availability, average, range, and a visual chart.Whois Lookup Dashboard Query public RDAP registries for domain registration and status information.

Learn from primary sources

Trusted references

Use these standards and official guides when you need deeper technical detail.

Google sitemap guidance Google's guidance for discovery, crawling, and sitemap usage.ICANN RDAP information Official information about the modern domain registration data protocol.

FAQ

Common questions

Everything you need to know before processing your files.

No. Private, loopback, link-local, and reserved destinations are blocked.

Early access

Web & Network Tools early access

Request administrator-reviewed access to upcoming web & network tools workflows and full early-access benefits.

Administrator-reviewed · Full early-access benefits when approved

Send this request to the Webutilia administrator for review.