Network Utility Suite

Free DNS & Network Tools

A comprehensive collection of free network utilities for system administrators, DevOps engineers, and network professionals. All tools are free, fast, and easy to use.

DNS Flattener

Resolve complex DNS chains, flatten CNAME records, and get the complete picture of your domain's infrastructure. Perfect for tracking down hosting locations and debugging DNS issues.

  • Resolve CNAME chains to final IPs
  • View all DNS record types
  • Export results to CSV
  • One-click IP copying

DNS Validator

Validate DNS configuration issues including missing glue records, lame delegation, MX record validation, TXT record checks (SPF/DKIM), oversized responses, and UDP fragmentation problems.

  • Detect missing glue records
  • Identify lame delegation
  • Validate NS configuration
  • Check MX records (CNAME violations, priorities)
  • Validate TXT records (SPF/DKIM syntax)
  • Check for oversized responses
  • Test UDP fragmentation issues

DNS Propagation

Check DNS propagation for all record types across multiple global resolvers. Compare answers between resolvers and identify mismatches in real-time.

  • Check all record types (A, AAAA, MX, TXT, NS, CNAME)
  • Query 40+ global DNS resolvers
  • Compare results between resolvers
  • Identify mismatches and anomalies
  • Geographic consistency analysis

DNSSEC Validator

Validate DNSSEC chain of trust, check DS, DNSKEY, and RRSIG records. Verify domain security and signature validity.

  • Chain of trust validation
  • Signature verification
  • Expiry warnings
  • Algorithm detection

Why Use Our Network Utilities?

Fast & Reliable

All tools are optimized for speed and reliability, providing results in seconds.

Privacy First

We don't store your queries or personal data. All requests are processed securely and anonymously.

Free Forever

All tools are completely free to use with no hidden costs or premium tiers.