# Check My DNS

## Docs
- [Overview](https://docs.checkmydns.online/overview.md): Check My DNS is a specialized online platform for validating and monitoring DNS and email-related configurations, targeted at network administrators, DevOps engineers, and developers who manage domain and mail infrastructure. It focuses on giving clear, real-time insight into how domains resolve worldwide and how securely and reliably email is configured for those domains.
- Tools [DNS Checker](https://docs.checkmydns.online/tools/dnschecker.md): The DNS Checker is a browser-based diagnostic tool for performing DNS lookups against a wide range of record types for any domain. It is built to give clear visibility into how a domain resolves, helping users validate configuration, troubleshoot issues, and confirm DNS behavior across different use cases.
- Tools [Email Host Checker](https://docs.checkmydns.online/tools/emailhostchecker.md): The Email Host Checker is a web-based analysis tool for evaluating the DNS and configuration of a domain’s email infrastructure. It checks all key email-related records and characteristics to provide a clear picture of security, deliverability, and overall configuration quality.
- Tools [Blacklist & Spam Checker](https://docs.checkmydns.online/tools/spamchecker.md): The Blacklist & SPAM Checker is a web-based reputation tool for testing whether a mail server IP address or domain appears on common DNS-based blacklists (DNSBL/RBL). It helps assess and monitor the sender reputation of email infrastructure to prevent messages from being blocked or delivered to spam folders.
- Tools [Security Checker](https://docs.checkmydns.online/tools/securitychecker.md): The Security Checker is a domain-level audit tool that evaluates the security posture of a website and its email infrastructure. It combines checks for email authentication, TLS/HTTPS configuration, and DNS-based transport security into a single, browser-based assessment.