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 83 of 83 tools
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Converters
5 tools
Encode and decode text or data to/from Base64 format
Convert Base64 encoded strings back to viewable images
Convert Unix timestamps to human-readable dates and vice versa
Convert images to Base64 encoded strings for embedding
Convert text to speech audio with customizable voice options
DNS
16 tools
Check all DNS records for a domain in one comprehensive scan
Check Certificate Authority Authorization (CAA) records for SSL issuance
Find canonical name (CNAME) records for domain aliases
Check DNS cache status and TTL values across servers
Perform DNS queries for A, AAAA, and other DNS record types
Test DNS server response times and performance metrics
Find and test DNS servers for a domain or IP address
Comprehensive DNS tools collection for record lookup, propagation checking, and domain analysis
Check domain expiration dates and renewal information
Find mail exchange (MX) records for email server configuration
Find nameserver (NS) records for domain delegation
Perform reverse DNS lookup to find hostname from IP address
Check Start of Authority (SOA) records for domain authority info
Discover subdomains and analyze subdomain configurations
Retrieve TXT records including SPF, DKIM, and verification records
Get comprehensive domain registration information, registrar details, and nameservers
10 tools
Check Brand Indicators for Message Identification (BIMI) records
Generate DKIM keys and records for email message signing
Find DomainKeys Identified Mail (DKIM) records for email signing
Generate DMARC policy records for email authentication
Check DMARC policy records for email authentication and reporting
Comprehensive email deliverability check including SPF, DKIM, and DMARC
Get recommendations to fix email deliverability problems
Generate SPF records to authorize mail servers for your domain
Check Sender Policy Framework (SPF) records for email authentication
Validate SPF record syntax and check for configuration errors
Generators
10 tools
Generate various types of barcodes including UPC, Code 128, and more
Generate cron expressions for scheduled tasks with visual interface
Generate sample CSV data with customizable columns and rows
Generate sample JSON data for testing and development
Generate MAC addresses with vendor OUI support and custom formats
Generate QR codes for URLs, text, or any data with customization options
Generate random strings with customizable length and character sets
Generate robots.txt files to control web crawler access
Generate universally unique identifiers (UUIDs) in various formats
Generate sample XML data structures for testing purposes
Network
4 tools
Find geographical location, ISP, and details for any IP address
Ping servers to check connectivity and measure response time
Check if specific ports are open on a server or IP address
Display your current public IP address and network information
SSH & Keys
9 tools
Generate SSH configuration for Git repositories and multiple keys
Convert PEM format SSH keys to PuTTY PPK format
Convert PuTTY PPK format SSH keys to PEM format
Visual SSH configuration file builder for multiple hosts
Convert SSH keys between different formats (OpenSSH, PuTTY, etc.)
Calculate and analyze SSH key fingerprints with multiple algorithms
Generate SSH key pairs for secure server authentication
Comprehensive SSH key validation and security analysis
Generate SSH tunnel commands for secure port forwarding and proxy setup
SSH & Networking
1 tool
SSH key management and configuration tools including key generation, conversion, and validation
SSL & Security
17 tools
Verify if SSL certificate matches its Certificate Signing Request
Decode and analyze SSL certificate contents and properties
Generate X.509 certificates for SSL/TLS, CA, and code signing purposes
Verify if SSL certificate matches its private key
Validate Content Security Policy (CSP) headers for XSS protection
Decode Certificate Signing Request (CSR) files and view details
Generate Certificate Signing Request (CSR) for SSL certificates
Generate cryptographic keys for AES, RSA, ECDSA, and HMAC algorithms
Generate MD5, SHA1, SHA256, and other hash values for text or files
Check HTTP Strict Transport Security (HSTS) header configuration
Generate Apache htpasswd file entries for HTTP authentication
Generate secure passwords with customizable length and complexity
Check SSL certificate validity, expiration, and configuration details
Generate self-signed SSL certificates for testing and development
Complete SSL certificate analysis, security headers validation, and HTTPS configuration testing tools
Check supported TLS versions and cipher suites on a server
Check X-Frame-Options header to prevent clickjacking attacks
Utilities
4 tools
Calculate age in years, months, days, or any time unit
Perform date and time calculations, add/subtract time periods
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
Web
6 tools
Test Cross-Origin Resource Sharing (CORS) configuration
Check if gzip compression is enabled and measure compression ratio
Analyze HTTP response headers for any website or URL
Check HTTP status codes and response details for any URL
Check security headers like CSP, HSTS, X-Frame-Options, and more
Check website redirects and status codes for any URL. Detect multi-level redirects and view the final destination.