# SiteProbe by Hostney

> Free online diagnostic tools for DNS, SSL, email, and network troubleshooting.

SiteProbe is a collection of web-based diagnostic tools built by Hostney. All tools are free to use and require no account.

## Available Tools

- **DNS Lookup** - Query A, AAAA, CNAME, NS, TXT, SOA, and MX records for any domain
- **MX Lookup** - Find mail exchange servers and verify they resolve correctly
- **SSL Checker** - Inspect SSL/TLS certificates, expiry dates, cipher suites, and protocol support
- **DMARC Checker** - Validate DMARC, SPF, and DKIM records for email authentication
- **Blacklist Check** - Check an IP address against 45+ email blacklists (DNSBLs)
- **SMTP Diagnostics** - Test SMTP server connectivity, TLS support, reverse DNS, and open relay status
- **What's My IP** - See your public IP address with geolocation data
- **IP Lookup** - Get geolocation, ISP, organization, and network information for any IP address
- **Email Header Analyzer** - Parse raw email headers to trace the delivery path and identify delays
- **HTTP Header Checker** - Inspect HTTP response headers including caching, security headers, and server info
- **Website Speed Test** - Measure DNS resolution, TLS handshake, TTFB, and total load time
- **DNSSEC Checker** - Validate DNSSEC signing and the chain of trust for a domain

## Pages

- [Homepage](https://tools.hostney.com/)
- [DNS Lookup](https://tools.hostney.com/dns)
- [MX Lookup](https://tools.hostney.com/mx)
- [SSL Checker](https://tools.hostney.com/ssl)
- [DMARC Checker](https://tools.hostney.com/dmarc)
- [Blacklist Check](https://tools.hostney.com/blacklist)
- [SMTP Diagnostics](https://tools.hostney.com/smtp)
- [What's My IP](https://tools.hostney.com/my-ip)
- [IP Lookup](https://tools.hostney.com/ip)
- [Email Header Analyzer](https://tools.hostney.com/email-headers)
- [HTTP Header Checker](https://tools.hostney.com/headers)
- [Website Speed Test](https://tools.hostney.com/speed)
- [DNSSEC Checker](https://tools.hostney.com/dnssec)

## About

SiteProbe is built and maintained by [Hostney](https://www.hostney.com), a managed web hosting platform. These tools are provided free as a resource for developers, system administrators, and anyone troubleshooting DNS, email, or SSL issues.

## Contact

- Website: https://tools.hostney.com
- Built by: https://www.hostney.com