Pingdom Pingdom is a service for testing performance of website. Enter a URL to test the load time of that page, analyze it and find bottlenecks. Commercial Web Android iPhone Performance Monitoring Transactional Monitoring Uptime Monitoring Add a feature 54 Like
intoDNS IntoDNS checks the health and configuration and provides DNS report and mail servers report. And provides suggestions to fix and improve them, with references to... Free Web No features added Add a feature 5 Like
SPF Toolbox SPFtoolbox is an Open Source Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more. Free Open Source Mac Windows Linux Web Chrome OS ... Self-Hosted REST API Self Hosted Feature Add a feature 3 Like
RBLTracker RBLTracker provides easy-to-use, real-time black list monitoring, for your email, website, and social media. Freemium Web No features added Add a feature 2 Like
Pingbreak Pingbreak is an original and free monitoring service. Get notified through Twitter if your website is down. Pingbreak checks all of your websites each minute and alert... Free Web Twitter Uptime Monitoring Network Monitoring Real-time monitoring Broken links check ... Free API HTTP Basic Authentication HTTP Digest Authentication Live Push Notifications Personalized cookies Public Status Page Real-time analytics Saas Based Slack integration Status monitoring Twitter integration Uptime Monitoring Add a feature 1 Like
W3dt.net W3dt.net offers DNS & Network Troubleshooting tools which are dedicated to providing relevant real-time data regarding networks, websites and other technical... Free Web Blacklist monitoring Network Monitoring Performance Monitoring Wake on LAN Add a feature 9 Like
RapidSpike RapidSpike is an uptime and performance monitoring service for websites and web applications. Monitor, measure and test your digital platform eco-system from one... Commercial Web Real User Monitoring Uptime Monitoring Public Status Page Supports SSL certificate Add a feature 7 Like
AppBeat We monitor your websites and alert you when they fail (failure is confirmed from multiple probe locations). Integrated also public status page module for your users and... Freemium Web Network Monitoring Uptime Monitoring Add a feature 71 Like
SMTP Diag Tool SMTP Diag Tool is used to identify and troubleshoot SMTP server problems by trying to send a message to an SMTP server while displaying all diagnostic information in... Free Windows No features added Add a feature 1 Like
MXAlerts MXAlerts performs 24/7 remote round-trip email server monitoring software. We confirm email can be sent and received from your email server or exchange server. Commercial Web No features added Add a feature 0 Like
MailRadar 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. Free Web Network Monitoring Add a feature 1 Like
HetrixTools IP/Domain Blacklist Monitoring & Uptime Monitoring made easy! Our system is extremely fast and simple to use. Start monitoring all of your IPs, Websites and Services... Freemium Web Blacklist monitoring Uptime Monitoring Blacklist monitoring Public Status Page ... Uptime Monitoring Add a feature 5 Like
isUp An intuitive website monitoring tool. You get: 25 monitors, checked every 3 minutes. Totally free!. Free Web Network Monitoring Slack integration Add a feature 1 Like
Port25 Email Verification 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... Freemium Web Blacklist monitoring Add a feature 2 Like
DNS Check DNS Check is an application which compares the DNS records that you enter to what nameservers are returning in response to queries. If there's an issue, DNS Check... Freemium Web Network Monitoring Uptime Monitoring Add a feature 1 Like
