Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Online




Dnsstuff is described as 'DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering. Explore monitoring products and free DNS tools at DNSstuff' and is a Network Monitor in the network & admin category. There are more than 25 alternatives to Dnsstuff, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Chrome OS apps. The best Dnsstuff alternative is Domain Digger, which is both free and Open Source. Other great sites and apps similar to Dnsstuff are Pingdom, MxToolBox, Uptime.com and Upzilla.




Tracks uptime, downtime, and page speed with synthetic and real user monitoring, simulates critical flows, analyzes visitor data by location, device, and browser, sends instant alerts, and provides analytics and reporting to troubleshoot and optimize sites.




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.


Real-time monitoring with checks every minute from over 30 global locations, alerts for outages or slowdowns, detailed uptime and response time reports, customizable alerts, public status pages, SSL and domain monitoring, and REST API for automation.




Monitor your website, server, API, application, service and get notified if your resources have some problems with availability. Upzilla notifies you in Slack, Telegram, Messenger, or by email. Works also as a public status page with subscriptions.






NsLookup shows all the DNS records for the website you're visiting. It has support for popular DNS servers like Google DNS, CloudFlare DNS and OpenDNS, but also local DNS servers all over the world.


DNS Lookups, Port Checker, Port Scanner, IP Information Gathering, Hash Generation, Blacklist Check, Subnet Calculator and more..




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


Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.

RapidSpike is a Digital Experience Monitoring Platform that interacts with your online platforms exactly as your customers do. It collects data across your digital ecosystem to help you improve a fast, reliable digital customer experience.




Pingdom is for uptime monitoring, not server debugging/troubleshooting tools.