DNS Lookup Tool - Free Online DNS Record Query
Query and analyze DNS records for any domain with our comprehensive lookup tool. Check SPF, DKIM, and DMARC email authentication records. Built-in DNS health scoring evaluates your domain configuration for email deliverability and security.
Example: DNS Query Results
Domain Queried:
example.comA Records:
93.184.216.34 (TTL: 300)MX Records:
10 mail.example.com • 20 mail2.example.comHealth Score:
85/100 • ✓ SPF valid • ✓ DMARC present • ⚠ No CAA recordWhat You Can Do:
- • Query all DNS record types (A, AAAA, MX, TXT, NS, SOA, CAA, CNAME, PTR, SRV)
- • Analyze SPF, DKIM, and DMARC email authentication
- • Check DNS health score with recommendations
- • View DNSSEC status and validation
- • Identify nameserver configuration issues
- • Export results for documentation
Supported Record Types:
- • A / AAAA - IPv4 and IPv6 addresses
- • MX - Mail server records
- • TXT - Text records (SPF, DMARC, DKIM)
- • NS / SOA - Nameserver and authority records
- • CNAME - Canonical name aliases
- • CAA - Certificate authority authorization
- • DNSKEY / DS - DNSSEC records
DNS queries use secure API calls. Also try our Email Auth Validator for full SPF/DKIM/DMARC testing or SPF Generator to create records.
Need Help with DNS & Email Security?
Our team can help configure DNS records, implement email authentication (SPF/DKIM/DMARC), and optimize your domain security posture.
Frequently Asked Questions
Common questions about the DNS Lookup
This tool supports all major DNS record types including A (IPv4), AAAA (IPv6), MX (mail servers), TXT (text records), NS (nameservers), SOA (start of authority), CAA (certificate authority), CNAME (aliases), PTR (reverse DNS), SRV (service records), and DNSKEY/DS (DNSSEC records). Learn more in our guide on how DNS works.
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ℹ️ Disclaimer
This tool is provided for informational and educational purposes only. All processing happens entirely in your browser - no data is sent to or stored on our servers. While we strive for accuracy, we make no warranties about the completeness or reliability of results. Use at your own discretion.