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Network & Site Audit
net
Network & Site Audit
Inspect live sites and domains — DNS, headers, and more.
12 tools
mta
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Meta Tags & Social Preview Analyzer
Fetch a URL and inspect its title, meta description, canonical link, and Open Graph / Twitter Card tags — plus a preview of how it looks in Google search and social shares. The page is fetched and processed in memory, never stored.
dns
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DNS Records Lookup
Look up a domain's DNS records — A, AAAA, MX, TXT, NS, CNAME, SOA, or all of them at once. Queried over Cloudflare's DNS-over-HTTPS resolver and processed in memory, never stored.
ipl
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IP Address Lookup
Look up ownership and network details for an IP address or domain — network name, address range, registrant, and country — via public RDAP registry data. Processed in memory and never stored.
who
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Domain WHOIS / RDAP Lookup
Look up a domain's registration details — registrar, registrant, status codes, name servers, and key dates — via public RDAP registry data. Processed in memory and never stored.
hdr
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HTTP Header Checker
Inspect the HTTP response headers a URL returns — caching, security headers (HSTS, CSP, X-Frame-Options), server/CDN identity, and cookies. The page is requested and processed in memory, never stored.
rdr
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Redirect Chain Checker
Follow a URL's full redirect chain — every hop, its HTTP status code, and where it finally lands. The page is requested and processed in memory, never stored.
sts
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Website Status / Is It Down Checker
Check whether a website is up — HTTP status code, response time, and the final URL after any redirects. The page is requested and processed in memory, never stored.
ssl
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SSL Certificate Checker
Check a website's SSL/TLS certificate — issuer, validity dates, days until expiry, and the trust chain. Connects directly over TLS; the certificate is read and processed in memory, never stored.
eml
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Email Address & MX Validator
Check a list of email addresses for valid syntax, and optionally verify each domain's MX records to confirm it can receive mail. Processed in memory and never stored.
rbx
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Robots.txt Tester
Fetch a site's live robots.txt and test whether specific paths are allowed or disallowed for a given crawler. The file is requested and processed in memory, never stored.
smp
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XML Sitemap Validator
Fetch a live XML sitemap and check it for structural problems — malformed entries, invalid URLs, and missing lastmod coverage. The sitemap is fetched and processed in memory, never stored.
blc
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Broken Link Checker
Scan a page's links and see which ones are broken, redirecting, or fine. The page and its links are fetched and checked in memory, never stored.