MX Lookup Tool - Check your DNS MX Records online - MxToolbox
MXToolBox is a comprehensive suite of online tools designed for IT professionals, system administrators, and webmasters to diagnose, troubleshoot, and resolve issues related to email delivery, domain health, and network performance. It offers a wide range of utilities for DNS, blacklist, SMTP, and more, making it an essential resource for maintaining the integrity and efficiency of online services.
1.4M
45000 / day
1.5M
50000 / day
5.5 min
3.2 pages per visit
45%
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Domain Rating
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Domain Authority
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Citation Level
2002
English, etc
Website Key Features
Blacklist Check
Check if your domain or IP address is listed on over 100 DNS based email blacklists.
DNS Lookup
Perform a DNS lookup to find DNS records for a domain, including A, AAAA, CNAME, MX, NS, PTR, SRV, SOA, TXT, and more.
Email Header Analyzer
Analyze email headers to troubleshoot email delivery issues and understand the path an email took to reach its destination.
SMTP Diagnostics
Test and troubleshoot SMTP server issues, including connection, authentication, and email sending capabilities.
Website Monitoring
Monitor your website's uptime, performance, and receive instant alerts if your site goes down.
SSL Checker
Check the SSL certificate of a website to ensure it is valid, trusted, and correctly installed.
Domain Health Report
Get a comprehensive report on the health of your domain, including DNS, blacklist, and email server checks.
IP Whois
Lookup IP address information, including ownership, location, and contact details.
SPF Record Check
Validate your SPF record to ensure it is correctly configured to prevent email spoofing.
DMARC Record Check
Check your DMARC record for proper configuration to protect your domain from email fraud.
Similar Sites and Competitors
Additional information
API Access
MXToolBox offers API access for developers to integrate its tools and functionalities into their own applications or services.
Community and Support
MXToolBox has a strong community and support system, including forums, documentation, and direct support options for users.
Mobile App
MXToolBox provides a mobile application for iOS and Android, allowing users to access tools and receive notifications on the go.
Subscription Plans
While many tools are free, MXToolBox offers subscription plans for advanced features, higher usage limits, and priority support.
Educational Resources
MXToolBox offers a variety of educational resources, including tutorials, guides, and best practices for IT professionals and webmasters.
HTTP headers
Security headers report is a very important part of user data protection. Learn more about http headers for mxtoolbox.com