All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool. Input a domain name or IP Address or Host Name. Links in the results will guide you to other relevant tools and information.


MailScore is described as 'Helps marketing managers, SaaS founders, and agency owners make sure their emails actually reach inboxes. Google and Yahoo now require SPF, DKIM, and DMARC authentication for bulk senders. MailScore checks all of these plus MX records and IP blacklists in under 10' and is an website in the business & commerce category. There are nine alternatives to MailScore, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Chrome OS apps. The best MailScore alternative is MxToolBox, which is free. Other great sites and apps similar to MailScore are SPFToolbox, EmailCheck, Port25 Email Verification and MailRadar.
All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool. Input a domain name or IP Address or Host Name. Links in the results will guide you to other relevant tools and information.


SPFtoolbox is an open-source Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more


Supercharge your email campaigns with EmailCheck! Effortlessly verify email lists in bulk, export CSV reports & analytics. Ensure accurate, reliable outreach, saving time and boosting deliverability. Upgrade your email game and drive results with confidence.




Discover the rich features in PowerMTA that help you adopt and adapt to changing email authentication standards including support for DKIM and SPF and setup for DMARC via an automated testing tool.

MailRadar is a Linux oriented community offering you free set of tools and latest news, articles and tutorials regarding mail servers and UNIX-like OS.
RBLTracker is a fully automated monitoring service, which checks your IP addresses and website domains against the most frequently used real-time black lists, safe browsing databases, and social media threat exchanges.




Sender Policy Framework (SPF) is used to authenticate the sender of an email. With an SPF record in place, email providers can verify that a mail server is authorized to send email for a specific domain. You can Lookup or Generate the SPF record.
