DNS Lookup Tool - a tool for diagnosing domains

DNS Lookup Tool is a professional tool for analyzing domain DNS records. DNS (Domain Name System) is a domain name system that converts human-readable website addresses into IP addresses understandable by computers. Our tool helps diagnose DNS issues, check domain settings and analyze site performance.

Why is DNS record analysis important?

Proper DNS records configuration is critical for website availability and performance. DNS affects loading speed, SEO metrics and overall site functionality. DNS analysis helps identify domain issues, optimize performance and ensure reliable web resource operation.

Main DNS Record Types

• A Records: Link a domain to an IPv4 address - the primary record type for websites
• AAAA Records: Link a domain to an IPv6 address - for supporting the new internet protocol
• CNAME Records: Create aliases for domains - redirect to another domain
• MX Records: Specify mail servers - for email configuration
• TXT Records: Contains text information - for domain verification and SPF
• NS Records: Specify name servers - determine the DNS provider
• SOA Records: Start of Authority record - contains metadata about the domain
• PTR Records: Reverse record for an IP address - for reverse DNS lookup
• SRV Records: Specify services and ports - for specific protocols

Advantages of Using DNS Lookup Tool

• Problem Diagnosis: Quick identification of issues with domain DNS settings
• SEO Optimization: Checking DNS correctness for improved search ranking
• Performance: Analyzing DNS resolution speed for load optimization
• Security: Checking SPF, DKIM, and other security DNS records
• Monitoring: Tracking changes in DNS records and their impact on the website

How the DNS Lookup Tool Works

Our tool performs DNS queries to the specified domain and analyzes all available records. The system checks the correctness of settings, DNS server response time, and compliance with standards. The result includes detailed information about each record, resolution time, and optimization recommendations.

Security and Privacy

The DNS Lookup Tool works with publicly available domain information. We do not store query results on our servers or transfer data to third parties. All DNS queries are performed in real-time in compliance with privacy principles.