All Tools
Discover all DNS, SSL, and network tools available on ShowDNS.net. Use the search below to quickly find the tool you need.
Showing 93 of 93 tools
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Converters
5 tools
Encode and decode text or data to/from Base64 format with file support
Convert Base64 encoded strings back to viewable images with preview
Convert Unix timestamps to human-readable dates and vice versa with timezone support
Convert images to Base64 encoded strings for embedding in HTML, CSS, or data URIs
Convert text to speech audio with customizable voice options and languages
DNS
18 tools
Check all DNS records for a domain in one comprehensive scan including all record types
Check Certificate Authority Authorization (CAA) records for SSL certificate issuance control
Find canonical name (CNAME) records for domain aliases and subdomain redirection
Check DNS cache status and TTL values across multiple DNS servers
Perform DNS queries for A, AAAA, MX, TXT, CNAME, and other DNS record types
Test DNS server response times and performance metrics across multiple servers
Check DNS server status, response time, and availability for domains
Find and test DNS servers for a domain or IP address with performance metrics
Comprehensive DNS tools collection for record lookup, propagation checking, and domain analysis
Check domain expiration dates and renewal information with expiry alerts
Comprehensive domain health analysis including DNS, SSL, email, and security checks
Find mail exchange (MX) records for email server configuration and priority
Find nameserver (NS) records for domain delegation and DNS server configuration
Perform reverse DNS lookup to find hostname from IP address (PTR records)
Check Start of Authority (SOA) records for domain authority and DNS zone information
Discover subdomains and analyze subdomain configurations and DNS records
Retrieve TXT records including SPF, DKIM, DMARC, and verification records
Get comprehensive domain registration information, registrar details, nameservers, and expiry dates
10 tools
Check Brand Indicators for Message Identification (BIMI) records for email branding
Generate DKIM keys and records for email message signing and authentication
Find DomainKeys Identified Mail (DKIM) records for email message signing and verification
Generate DMARC policy records for email authentication with policy configuration options
Check DMARC policy records for email authentication, reporting, and policy enforcement
Comprehensive email deliverability check including SPF, DKIM, DMARC, and MX records
Get recommendations and solutions to fix email deliverability problems and configuration issues
Generate SPF records to authorize mail servers for your domain with visual builder
Check Sender Policy Framework (SPF) records for email authentication and mail server authorization
Validate SPF record syntax and check for configuration errors and best practices
Generators
12 tools
Generate Apache .htaccess configuration files for redirects, security, and performance
Generate secure API keys with customizable formats, lengths, and character sets
Generate various types of barcodes including UPC, Code 128, EAN, and more
Generate cron expressions for scheduled tasks with visual interface and examples
Generate sample CSV data with customizable columns, rows, and data types
Generate sample JSON data for testing and development with customizable structures
Generate JSON Web Tokens (JWT) with customizable headers, payload, and signatures
Generate QR codes for URLs, text, or any data with customization options and download
Generate random strings with customizable length, character sets, and patterns
Generate robots.txt files to control web crawler access and search engine indexing
Generate universally unique identifiers (UUIDs) in various formats (v1, v4)
Generate sample XML data structures for testing purposes with nested elements
Network
5 tools
Check if IP address is blacklisted across multiple DNSBL and spam databases
Find geographical location, ISP, organization, and detailed information for any IP address
Ping servers to check connectivity and measure response time with detailed statistics
Check if specific ports are open on a server or IP address with connection testing
Display your current public IP address, location, and network information
SSH & Keys
11 tools
Generate SSH configuration for Git repositories and multiple SSH keys management
Convert PEM format SSH keys to PuTTY PPK format for Windows SSH clients
Convert PuTTY PPK format SSH keys to PEM format for Linux/Mac SSH clients
Visual SSH configuration file builder for multiple hosts with advanced options
Convert SSH keys between different formats (OpenSSH, PuTTY PPK, PEM)
Calculate and analyze SSH key fingerprints with multiple algorithms (MD5, SHA256)
Generate SSH key pairs (RSA, ECDSA, Ed25519) for secure server authentication
Validate SSH key format, structure, security, and verify public/private key matching
Extract public key from private key in various formats (PEM, PPK)
SSH key management and configuration tools including key generation, conversion, and validation
Generate SSH tunnel commands for secure port forwarding and proxy setup
SSL & Security
21 tools
Verify if SSL certificate matches its Certificate Signing Request (CSR)
Decode and analyze SSL certificate contents, properties, and metadata in detail
Generate X.509 certificates for SSL/TLS, CA, and code signing purposes with full customization
Verify if SSL certificate matches its private key to ensure proper key pair configuration
Validate Content Security Policy (CSP) headers for XSS protection and content restrictions
Decode Certificate Signing Request (CSR) files and view all details including subject, key type, and extensions
Generate Certificate Signing Request (CSR) for SSL certificates with customizable options
Generate cryptographic keys for AES, RSA, ECDSA, and HMAC algorithms
Generate hash codes and checksums for data integrity verification
Generate MD5, SHA1, SHA256, SHA512, and other hash values for text or files
Check HTTP Strict Transport Security (HSTS) header configuration and preload status
Generate Apache htpasswd file entries for HTTP authentication with multiple hash algorithms
Generate secure passwords with customizable length, complexity, and character sets
Generate highly secure passwords with advanced options and strength analysis
Comprehensive SSL certificate analysis including validity, expiration, chain verification, TLS versions, and security assessment
Check SSL certificate expiration dates and get alerts before certificates expire
Generate self-signed SSL certificates for testing and development purposes
Advanced SSL/TLS security scanner with comprehensive vulnerability assessment and configuration analysis
Complete SSL certificate analysis, security headers validation, and HTTPS configuration testing tools
Check supported TLS versions and cipher suites on a server for security compliance
Check X-Frame-Options header to prevent clickjacking attacks and iframe embedding
Utilities
4 tools
Calculate age in years, months, days, or any time unit with precise calculations
Perform date and time calculations, add/subtract time periods with timezone support
Simple stopwatch with lap time tracking functionality
Countdown timer with customizable time and alert options
Validators
1 tool
Validate cron expressions and analyze schedule patterns with detailed explanations
Web
6 tools
Test Cross-Origin Resource Sharing (CORS) configuration and headers
Check if gzip compression is enabled and measure compression ratio for web performance
Analyze HTTP response headers for any website or URL with detailed header information
Check HTTP status codes and response details for any URL with detailed analysis
Check security headers like CSP, HSTS, X-Frame-Options, and more with security scoring
Check website redirects and status codes for any URL. Detect multi-level redirects and view final destination