Proactively monitor your websites and online services. Receive immediate notification when a problem is detected so you can quickly resolve the root cause and prevent potential escalation.




Valla DNS is described as 'Modern, all-in-one domain intelligence platform designed for developers, sysadmins, and IT professionals. It simplifies complex networking tasks by providing real-time data on DNS records, global propagation, and SSL certificate status' and is an app in the development category. There are more than 25 alternatives to Valla DNS for a variety of platforms, including Web-based, SaaS, Windows, Linux and Self-Hosted apps. The best Valla DNS alternative is Domain Digger, which is both free and Open Source. Other great apps like Valla DNS are Pingdom, HetrixTools, MxToolBox and Upzilla.
Proactively monitor your websites and online services. Receive immediate notification when a problem is detected so you can quickly resolve the root cause and prevent potential escalation.




RBLTracker is a fully automated monitoring service, which checks your IP addresses and website domains against the most frequently used real-time black lists, safe browsing databases, and social media threat exchanges.




Unlimited monitors checked from multiple location every minute. Monitor any port or setup a "heartbeat" that works well for cron jobs or any service behind a firewall. Be alerted as soon as your service is offline via email or app integration.

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.

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 uptime monitoring for websites, servers and APIs. Supports HTTP, TCP, UDP and ICMP. Instant alerts to Telegram, Discord, Slack.



Web monitoring service, which checks website every 5 minutes. It detects when it's offline, redirected, broken or even hacked. Provides SMS and email notifications, statistics and logs.



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 will notify you, and enable you to quickly identify what it is. Issues which can be detected include:

