SPF Toolbox Alternatives

All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

IntoDNS checks the health and configuration and provides DNS report and mail servers report.

Powerful SaaS integration toolkit for SaaS developers - create, amplify, manage and publish native integrations from within your app with Cyclr's flexible Embedded iPaaS.

Try for free paid Free Trial

DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering.

With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.

paid Free Trial $164.45 / Annually (Starter)

SolveDNS works to check your name servers, a records, and mail servers, SOA records for errors, consistency, efficiency and speed using several DNS tests.

DNS is a free online service to check your domain’s servers for common DNS and mail errors and produces a report with explanations how to fix them.

Free Website Uptime Monitoring

freemium $5.5 / Monthly (Pro Account)

DNS Check enables you to easily monitor, share and troubleshoot DNS records.

MailRadar is a Linux oriented community offering you free set of tools and latest news, articles...

FREE Uptime Monitoring + Server Monitoring + Status Page + Blacklist Monitoring!

freemium $9.95 / Monthly (Professional Uptime Monitoring)

DNSDataView allows you achieve DNS health status and more of specified domain names via analysis of their DNS records like MX, MS, A, and SOA.

Nameserver Checker Tools

free

Little civil argument one of the completely essential administrations basic to the usefulness of the Internet is the Domain Name System (DNS).