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🌐 Website & SEO Tools

Network inspection and web diagnostic utilities — DNS records lookup, SSL certificate inspector, and HTTP header auditor.

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DNS Records Checker
Inspect and diagnose DNS records for any domain name worldwide in real time with TTL, target host, and priority details.
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DNS Propagation Checker
Check DNS propagation across global recursive resolvers (Cloudflare, Google Public DNS, Quad9, OpenDNS). Verify domain record updates in real time.
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DNSSEC Validator & Checker
Verify DNSSEC (Domain Name System Security Extensions) deployment for your domain. Check DS records, RRSIG signatures, and cryptographic authenticity.
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A Record (IPv4) Checker
Lookup DNS A (Address) records for any domain name. Check resolved IPv4 address, hosting server location, and TTL settings.
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MX Record (Mail Exchange) Checker
Inspect MX (Mail Exchange) records for any email domain. Verify mail server hostnames, priority order (weights), and mail delivery health.
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TXT Record Checker
Lookup and inspect all TXT records for any domain name. Verify SPF rules, domain ownership verification strings (Google, Microsoft, Facebook), and public keys.
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CNAME Record Checker
Lookup DNS CNAME (Canonical Name) records. Check subdomain aliases, CDN routing targets, and alias resolution chains.
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NS (Nameserver) Record Checker
Find the authoritative DNS nameservers hosting any domain name. Check DNS provider assignment (Cloudflare, AWS Route53, GoDaddy, Namecheap).
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Reverse DNS (PTR) Lookup
Perform reverse DNS lookup (PTR record query) to find the hostname associated with any IPv4 or IPv6 address. Critical for email deliverability.
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CAA Record Checker
Check DNS CAA records for any domain name. Verify which Certificate Authorities (Let’s Encrypt, DigiCert, Sectigo) are allowed to issue SSL certificates.
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SOA Record & Serial Checker
Inspect the DNS Start of Authority (SOA) record. Check primary nameserver, administrator email, serial number, refresh, retry, and expire timers.
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SPF Record Validator & Lookup Counter
Audit your domain SPF (Sender Policy Framework) record. Check syntax, mechanisms, all policies, and verify compliance with the 10 DNS lookup limit.
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DKIM Record & Selector Key Checker
Inspect DKIM (DomainKeys Identified Mail) public key records on custom selectors (google, default, s1, mail). Verify key length and cryptographic validity.
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DMARC Policy Validator
Validate DMARC (Domain-based Message Authentication) records. Audit enforcement policies (p=reject, p=quarantine), alignment modes, and RUA reporting.
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BIMI Record & SVG Logo Checker
Check BIMI (Brand Indicators for Message Identification) configuration. Verify SVG Tiny PS logo URLs and VMC (Verified Mark Certificate) status.
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MTA-STS & TLS-RPT Policy Checker
Audit MTA-STS (Mail Transfer Agent Strict Transport Security) and TLS-RPT records. Ensure incoming emails are delivered strictly over TLS encrypted channels.
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Spam Blacklist & DNSBL Checker
Check if your mail server IP or domain is listed on major anti-spam blacklists including Spamhaus ZEN, Barracuda BRBL, Spamcop, and SORBS.
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Disposable Email Domain Detector
Detect temporary, throwaway, and disposable email domains (Mailinator, 10MinuteMail, TempMail). Prevent fraudulent user registrations.
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SMTP Handshake & Diagnostic Tester
Perform a live SMTP socket handshake test on port 25 or 587. Verify MX response codes, STARTTLS encryption support, and server banners.
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SSL Certificate Checker
Inspect SSL/TLS certificate details for any HTTPS website. Check certificate validity, days until expiration, issuer authority, SANs, and TLS protocol.
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HTTP Header Checker
Inspect HTTP response headers, HTTP status codes (200, 301, 302, 404, 500), redirect chains, and audit security headers (HSTS, CSP, X-Frame-Options).
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HTTP Redirect Chain Tracer
Trace HTTP redirect chains (301 permanent, 302 temporary, 307/308). Identify redirect loops, loss of link equity, and destination status codes.
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Security Headers Auditor (A+ to F Grading)
Audit HTTP security headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy) with comprehensive A+ to F grading.
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Status Code & TTFB Latency Tester
Measure website Time to First Byte (TTFB) and HTTP response latency with granular DNS resolution, TCP connection, and TLS handshake timing.
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CDN Provider Detector
Find out which Content Delivery Network (CDN) powers any website. Identifies Cloudflare, Amazon CloudFront, Fastly, Akamai, Sucuri, and Imperva.
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Gzip & Brotli Compression Tester
Test if your web server has Gzip or Brotli compression enabled. Compare uncompressed vs compressed payload sizes and calculate bandwidth savings %.
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HTTP/2 & HTTP/3 Protocol Checker
Check if a website supports modern HTTP/2 multiplexing or HTTP/3 (QUIC) protocols. Inspect ALPN negotiation and Alt-Svc headers.
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Server Port & TCP Connectivity Checker
Test common network and service ports (FTP 21, SSH 22, SMTP 25, HTTP 80, HTTPS 443, MySQL 3306) on any target host or IP address.
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Website Technology & CMS Detector
Scan any website to detect its Content Management System (WordPress, Shopify, Joomla, Drupal) and technology stack (React, Next.js, Laravel, Nginx).
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Website Uptime & HTTP Ping Checker
Check if a website is up or down. Perform real-time HTTP ping to test availability, server status codes (200 OK vs 500/503), and response latency.
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Mixed Content SSL Scanner
Scrapes HTTPS pages for insecure plain HTTP (http://) images, scripts, stylesheets, and iframes that cause browser mixed content warnings.
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Server Signature & Software Disclosure Checker
Check if your web server leaks exact software versions (Apache, Nginx, PHP, ASP.NET) in HTTP response headers. Essential for security hardening.
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CORS Policy & Origin Header Tester
Test Cross-Origin Resource Sharing (CORS) headers on API endpoints. Detect dangerous misconfigurations such as origin reflection with credentials allowed.
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Clickjacking Protection Tester
Test if your website is vulnerable to UI redressing and clickjacking attacks. Audits X-Frame-Options (DENY/SAMEORIGIN) and CSP frame-ancestors directives.
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Cookie Security Flags Auditor
Audit HTTP cookies sent by your web server. Check for Secure (HTTPS only), HttpOnly (XSS protection), and SameSite (CSRF protection) security flags.
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Meta Tag & Social Preview Scraper
Scrape live webpage metadata including Title tag, Meta Description, Canonical link, and OpenGraph (OG) / Twitter Card social preview images.
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Robots.txt Live Checker & Validator
Fetch and validate your live /robots.txt file. Verify HTTP status code, User-Agent rules, Disallow directives, and Sitemap declarations.
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Sitemap.xml Live Checker & URL Counter
Check your live /sitemap.xml file. Verify XML validity, HTTP response codes, total indexed URL count, and extract sample URLs.
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Single-Page Broken Link Checker
Crawl and test outbound links on any webpage. Identify 404 Not Found, 500 errors, and broken URLs to improve SEO and user experience.
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Heading Hierarchy (H1-H6) Auditor
Audit HTML heading tags on any page. Detect missing primary H1 tags, duplicate multiple H1s, and skipped heading hierarchy levels.
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Image Alt Text & Accessibility Auditor
Scrape webpage images to detect missing alt attributes. Improve Google Image SEO rankings and WCAG accessibility compliance.
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Canonical Tag Checker
Inspect the rel="canonical" tag on any webpage. Prevent duplicate content penalties and ensure search engines index your preferred master URL.
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Hreflang Multi-Language Tag Checker
Inspect rel="alternate" hreflang tags on multilingual websites. Verify language codes (en, es, fr, de), regional targeting, and return links.
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Structured Data Schema Extractor (JSON-LD)
Extract and parse Schema.org JSON-LD structured data from any webpage. Test Organization, Article, Product, FAQ, and Breadcrumb rich snippets.
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Keyword Density & Frequency Analyzer
Analyze live webpage text to compute total word count and keyword density percentages. Avoid keyword stuffing and optimize on-page content.
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IP Lookup & Geolocation
Find detailed IP address information including reverse DNS hostname, country, ISP, organization, ASN, and network details.
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Reverse IP Lookup
Lookup reverse DNS and hostname records for any IP address to discover neighboring hosted domains and shared server environments.
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ASN & BGP Prefix Lookup
Lookup ASN details for any IP address. Discover Autonomous System Number, BGP routing prefix, ISP / Network operator, and country code.
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What's My IP Address?
Instantly discover your real public IPv4/IPv6 address, internet service provider (ISP), organization, ASN, and geographic location.
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Domain Whois & Registrar Inspector
Perform a WHOIS / RDAP lookup on any domain name. Check registrar name, registration creation date, expiration date, and domain status.
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Domain Age & Expiry Date Checker
Calculate the exact age of any domain name in years and days since registration. Check expiration date and remaining days online.
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Typosquatting Domain Generator & Availability Checker
Generate common typographical error variants (omission, double characters, TLD swaps) for your brand domain and check live registration status to prevent phishing.
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Google SEO Title Character Counter & SERP Pixel Checker
Calculate SEO title length against the optimal 50-60 character (~580px) Google limit. Live preview desktop & mobile Google search snippet truncation.
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Meta Description Character Counter & SERP Snippet Preview
Test meta description length against the optimal 150-160 character limit. Check mobile (120 chars) and desktop (160 chars) Google snippet truncation live.
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