Advanced DNS Lookup Tool
Comprehensive DNS record lookup for domains. Resolve A, AAAA, MX, TXT, NS, and CNAME records for complete domain analysis.
Example: example.com or https://example.com
Understanding DNS Records
DNS records provide critical information about how domains are configured. Our tool checks all major record types to give you complete visibility into your domain DNS setup.
Record Types Explained
- A: Maps domain to IPv4 address (e.g., 192.0.2.1)
- AAAA: Maps domain to IPv6 address (e.g., 2001:db8::1)
- MX: Specifies mail servers for the domain
- TXT: Contains text information (often used for verification)
- NS: Identifies authoritative name servers
- CNAME: Creates domain aliases (canonical names)
Advanced DNS Analysis
Domain Configuration
Verify all DNS records are properly configured for your domain and services.
Security Checks
Inspect TXT records for SPF, DKIM, DMARC and other security configurations.
Email Setup
Verify MX records are correctly pointing to your mail servers.
Network Architecture
Understand how domains are routed through NS and CNAME records.
DNS Troubleshooting Guide
- Propagation Delays: DNS changes can take up to 48 hours to propagate globally
- TTL Values: Check TTL (Time-To-Live) to know when changes should take effect
- Multiple Records: Some services use multiple A records for load balancing
- CNAME Chains: Avoid long CNAME chains which can slow resolution
- DNSSEC: For advanced security, verify DNSSEC is properly configured
Need More DNS Features?
We are continuously improving our DNS tools. Let us know what additional functionality would help you:
- Reverse DNS (PTR) lookups
- DNS propagation checker
- Historical DNS records
- Bulk DNS lookup
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