DNS & Nameserver
28 ToolsTXT Record Lookup
Lookup TXT records including SPF, domain verification, and DKIM entries.
SOA Record Lookup
View Start of Authority (SOA) serial number, refresh intervals, and primary nameserver.
DNS Record Checker
Audit all essential DNS records and check their validity and configuration.
DNS Propagation Checker
Simulate and check DNS propagation across multiple worldwide DNS servers.
Nameserver Checker
Test whether authoritative nameservers respond accurately and swiftly.
Nameserver Comparison Tool
Compare DNS zones and responses between two different nameservers.
DNS Configuration Analyzer
Detect common DNS misconfigurations, lame delegations, and orphan records.
Missing DNS Record Checker
Highlight missing critical records such as MX, SPF, DMARC, or root A records.
DNS TTL Checker
Evaluate Time To Live (TTL) values across domain DNS records for migration readiness.
DNSSEC Status Checker
Verify if DNS Security Extensions (DNSSEC) are enabled, valid, and signed.
SPF Record Checker
Validate Sender Policy Framework (SPF) syntax and DNS lookup count limit.
SPF Record Parser
Break down SPF record mechanisms (ip4, include, a, mx) into understandable parts.
DMARC Record Checker
Check DMARC policy compliance, reporting email addresses, and alignment modes.
MX Configuration Checker
Analyze mail server priorities, reverse DNS, and SMTP connectivity.
Code Compilers
30 ToolsHTTP & Network
18 ToolsDomain HTTP Status Checker
Check response status code (200 OK, 301, 404, 500) and response time.
HTTP to HTTPS Checker
Confirm if unencrypted HTTP traffic automatically redirects to secure HTTPS.
WWW Redirect Checker
Verify if www domain redirects properly to non-www or canonical URL.
Redirect Loop Checker
Detect infinite circular redirection loops (ERR_TOO_MANY_REDIRECTS).
Canonical Domain Checker
Identify the canonical URL configured in headers and HTML rel="canonical".
Domain Response Time Checker
Measure server latency, TTFB (Time to First Byte), and total fetch time.
Domain Port Checker
Scan open common ports (80, 443, 21, 22, 25, 3306, 8080) on a domain.
Server Header Checker
Identify web server software (Apache, Nginx, Cloudflare, LiteSpeed).
Domain Compression Checker
Check if Gzip, Brotli, or Deflate compression is active on domain responses.
HSTS Checker
Check HTTP Strict Transport Security (HSTS) headers and preload eligibility.
IPv4/IPv6 Support Checker
Check dual-stack network connectivity support (A and AAAA resolution).
SSL & TLS
10 ToolsSSL Certificate Checker
Inspect SSL/TLS certificate details, encryption cipher, and issue dates.
SSL Issuer Checker
Identify Certificate Authority (Let's Encrypt, DigiCert, Cloudflare, Sectigo).
SSL Hostname Match Checker
Verify if certificate Common Name and SAN match the target domain.
TLS Version Checker
Check supported TLS versions (TLS 1.2, TLS 1.3) and deprecated protocols.
Certificate SAN Checker
Extract all Subject Alternative Names (SANs) covered by the certificate.
Mixed HTTP/HTTPS Domain Checker
Detect mixed content warnings and insecure resource links.
Bulk & List Utilities
17 ToolsDomain Extractor from Text
Extract all unique domain names and URLs from unformatted raw text.
Domain Extractor from HTML
Parse HTML markup and harvest all external and internal domain links.
Domain Extractor from CSV
Extract and deduplicate domain names from CSV or tab-separated data.
Domain Extractor from Sitemap
Extract domain and subdomains found inside XML sitemap files.
Domain Extractor from URLs
Strip paths, query parameters, and protocol schemes from a list of URLs.
Domain Grouping by TLD
Organize a list of domains grouped neatly by their top-level domain (.com, .org, etc.).
Root Domain Grouping Tool
Consolidate multiple subdomains under their respective parent root domain.
Subdomain Grouper
Categorize subdomains by environment type (api, dev, staging, mail, admin).
Domain Intersection Tool
Find domains that exist simultaneously in both List A and List B.
Domain List Comparison Tool
Side-by-side comparison of two domain lists highlighting additions and removals.
Bulk Domain Validator
Validate syntax, RFC compliance, and character rules for bulk domain lists.
Bulk DNS Analyzer
Analyze DNS health and resolution across hundreds of domains in batch.
Bulk Redirect Checker
Batch check redirection targets and status codes for multiple websites.
Domain Audits & Health
13 ToolsDomain Health Checker
Comprehensive audit analyzing DNS, HTTP uptime, SSL, and server health.
Domain DNS Health Checker
Deep DNS diagnostics: root resolution, delegation, TTLs, and authoritative responses.
Domain Migration Checker
Pre/post website migration checklist validator (IP, SSL, DNS TTL, redirects).
Redirect Migration Auditor
Audit 301 redirect mapping between old domain URLs and new domain destinations.
Domain Configuration Auditor
Scan entire web, mail, and security DNS stack for best practices.
Nameserver Migration Checker
Track propagation and synchronization between old and new nameservers.
Domain Email Setup Checker
Full-stack audit for email hosting: MX, SPF, DKIM, DMARC, reverse DNS.
Domain Security Checker
Security posture audit: SSL/TLS grade, HSTS, DNSSEC, security headers.
Technical SEO Domain Checker
Technical SEO audit for canonicals, robots, redirect efficiency, and speed.
Domain Infrastructure Analyzer
Discover hosting provider, CDN, nameserver infrastructure, and IP allocation.
Domain & Subdomain Discovery Tool
Enumerate and discover active subdomains via DNS brute and certificate transparency logs.
Domain Relationship Analyzer
Analyze connections between domains based on shared IP, nameserver, or SSL cert.