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




Domain Digger is the most popular Web-based alternative to DNS Check.
Domain Digger is the most popular Open Source & free alternative to DNS Check.
- Domain Digger is Free and Open Source
DNS Check is described as '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 will notify you, and enable you to quickly identify what it is. Issues which can be detected include:' and is a Uptime Monitor service in the network & admin category. There are more than 10 alternatives to DNS Check, not only websites but also apps for a variety of platforms, including SaaS, Mac, Windows and Linux apps. The best DNS Check alternative is Domain Digger, which is both free and Open Source. Other great sites and apps similar to DNS Check are Pingdom, MxToolBox, Website Monitoring by Uptime.com and Upzilla.




Domain Digger is the most popular Web-based alternative to DNS Check.
Domain Digger is the most popular Open Source & free alternative to DNS Check.
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 website as experienced by visitors.




Pingdom is the most popular commercial alternative to DNS Check.
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.


Uptime.com: Real-time availability monitoring & response for preventing website downtime. Your complete website monitoring solution.




Website Monitoring by Uptime.com is the most popular Windows, Android, Mac, iPhone, Linux, iPad, SaaS & Android Tablet alternative to DNS Check.
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.




A simple web application for looking up WHOIS, IP, and ASN information using free APIs. The application automatically detects the type of query and provides formatted results with a clean, modern UI that supports both light and dark modes.

DumbWhois is the most popular Self-Hosted alternative to DNS Check.


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.


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.

With webcron you pay per request and you can choose the monitoring frequency to your linking. When your website goes down, webcron can send you either an email or a text message (SMS).