Domain Yardım: WHOIS, DNS and SSL Tools
Use Domain Yardım for free WHOIS, DNS, SSL, IP and blacklist checks, with clear guidance for interpreting each result.
Powerful Domain Tools
Everything you need to analyze, track, and secure domains. 100% free, powered by native PHP.
WHOIS Lookup
Direct socket connection to WHOIS servers on port 43. Get registrar, expiry dates, and nameservers instantly.
DNS Records
Native dns_get_record() for A, MX, CNAME, TXT, NS, and more.
SSL Checker
stream_socket_client() to retrieve certificate chain and validity.
Blacklist Check
Query 10+ RBL servers using checkdnsrr() for spam reputation.
SPF/DMARC/DKIM
Parse TXT records for email authentication analysis.
Featured Domains
Premium names available for immediate purchase.
Why Choose Domain Yardım?
The comprehensive domain intelligence platform designed for professionals, investors, and business owners who need reliable analysis tools and a secure trading marketplace for premium names.
Lightning Fast Lookups
Every query is processed in real time using native PHP socket connections directly to authoritative servers. Our WHOIS, DNS, and SSL tools deliver instant results without requiring any API keys or third-party service subscriptions. Whether you need registration details, record verification, or certificate chain analysis, the platform provides accurate and reliable data within seconds.
Complete Security Suite
Protect your online assets with our comprehensive security toolkit. Check blacklist status across major RBL providers including Spamhaus, Barracuda and SpamCop to monitor your domain reputation. Verify SSL certificate validity and chain integrity for any website. Analyze HTTP security headers for best practices compliance.
Premium Marketplace
Browse and trade premium names on our secure marketplace platform with flexible pricing options including fixed price, auction, and make-offer formats. Discover valuable names across all major TLDs. Every listing provides detailed analytics and valuation estimates to help buyers and sellers negotiate confidently.
Frequently Asked Questions
Common questions about our platform, analysis features, and the marketplace.
What is a WHOIS lookup and why is it useful for research? expand_more
A WHOIS lookup retrieves registration information from the global WHOIS database for any domain name you query. When you enter a name on our platform, the system connects directly to the appropriate WHOIS server using port 43 socket connections. Results include registrar details, creation and expiration dates, nameserver configuration, and ownership contact information where publicly available.
How does DNS propagation checking work? expand_more
Our DNS propagation checker queries nameservers across different geographic locations worldwide to verify that your record changes have propagated globally. After updating your configuration, use this tool to check A, MX, CNAME, TXT, and NS records at each location.
Are all analysis tools completely free to use? expand_more
Yes, every tool on this platform is completely free with no usage limits or API key requirements. This includes WHOIS lookups, DNS propagation checks, SSL certificate verification, IP address geolocation, reverse DNS queries, blacklist monitoring, and HTTP header analysis.
How do I list something for sale on the marketplace? expand_more
Create a free account and navigate to the marketplace section of the platform. Click the List button to add your asset with pricing details and a comprehensive description. Choose between fixed price, auction, or make-offer listing formats depending on your selling strategy.
