DNSchecker
DNSchecker is a free open-source tool for checking the configuration of DNS servers and mail servers. It can validate records like MX, NS, SOA, SPF, and more across multiple DNS servers.
dns
server
configuration
validation
DNSchecker: Validate DNS Server Records
Free open-source tool for checking DNS server configuration and validating records like MX, NS, SOA, SPF, and more across multiple servers.
What is DNSchecker?
DNSchecker is a free, open-source command-line tool used to validate the configuration of Domain Name System (DNS) servers. It is commonly used by system administrators and network engineers to audit and troubleshoot DNS and email infrastructure.
Some key features of DNSchecker include:
- Checking DNS records like A, AAAA, CNAME, MX, NS, SOA, SPF, and more
- Testing configuration across multiple DNS servers
- Validating that DNS records and mail server settings are correct
- Comparing DNS configuration on multiple servers to spot discrepancies
- Support for global DNS infrastructure checking, not just local DNS
- Command-line interface to automate checks and integrations
Overall, DNSchecker helps identify DNS issues like incorrect records, misconfigurations, DNS leaks, insecure settings, and other problems with DNS or mail servers. It provides a simple way to audit and validate the critical DNS and email backbone of networks and domains.
DNSchecker Features
Features
- Validate DNS records like MX, NS, SOA, SPF, and more
- Check DNS configuration across multiple servers
- Supports various record types
- Provides detailed reports
- Command-line interface and web-based tool
Pricing
- Open Source
Pros
Free and open-source
Comprehensive DNS checking capabilities
Useful for system administrators and IT professionals
Easy to use and integrate into workflows
Cons
Limited customization options
No advanced features or integrations
May not cover all possible DNS-related use cases
Official Links
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