Pingdom Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your... Freemium $ $ $ Web Android iPhone Performance Monitoring Transactional Monitoring Uptime Monitoring Add a feature 54 Like
MxToolBox 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... Freemium $ $ $ Web Blacklist monitoring Network Monitoring Uptime Monitoring Add a feature 10 Like
intoDNS intoDNS checks the health and configuration of DNS and mail servers. Free Web No features added Add a feature 6 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
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
Webcron Webcron offers website uptime monitoring, plus the possibility of setting up and running cron jobs. Commercial Web Performance Monitoring Add a feature 10 Like
Dnsstuff DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering. Explore monitoring products and free DNS tools at DNSstuff. Freemium Web Network Monitoring Add a feature 4 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
Netthrob Netthrob runs automated verification checks on your website every three minutes from five different geographies and immediately informs you through Phone, SMS &... Commercial Web Self-Hosted Uptime Monitoring Add a feature 0 Like
Nonstop QA Incredibly easy and comprehensive website monitoring. Freemium Web Uptime Monitoring Add a feature 0 Like
Server Monitoring Server Monitoring lets you monitor your servers and your websites for free with 4 minute intervals. Monitor websites with HTTP monitoring and get notified immediately... Free Web Performance Monitoring Uptime Monitoring Add a feature 0 Like
ServersUp.net ServersUp.net can check a number of different services on different hosts to make sure those services are up and running. It will send alerts when the statuses change. Free Web Uptime Monitoring Add a feature 0 Like
Uptime.com Monitoring for your website or web application is conducted from over 30 locations around the globe. This global network ensures the availability of a monitoring site if... Commercial $ $ $ Web Uptime Monitoring Add a feature 0 Like
