MxToolBox is described as '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' and is a website monitoring tool in the network & admin category. There are more than 25 alternatives to MxToolBox, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Self-Hosted apps. The best MxToolBox alternative is Domain Digger, which is both free and Open Source. Other great sites and apps similar to MxToolBox are Pingdom, HetrixTools, techkit.net and DetectZeStack.
MailScore helps marketing managers, SaaS founders, and agency owners make sure their emails actually reach inboxes. Google and Yahoo now require SPF, DKIM, and DMARC authentication for bulk senders. MailScore checks all of these plus MX records and IP blacklists in under 10...
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.
Standard uptime monitoring with alerts that include diagnostic information, timing breakdowns and dashboard snapshots. Configure alerts for HTTP statuses, reachability and performance thresholds.
Valla DNS is a 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.
Free uptime monitoring for websites, servers and APIs. Supports HTTP, TCP, UDP and ICMP. Instant alerts to Telegram, Discord, Slack.
DomainPreflight checks everything that can silently break your email deliverability before you send a single message. Unlike MXToolbox which tells you what's wrong, DomainPreflight tells you exactly how to fix it — with copy-paste DNS records formatted for Cloudflare or...
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:
Statusdroid operates a worldwide network of servers which checks your website every 30 seconds from over 15 worldwide locations.
DomainCat monitors SSL certificates and domain health for sysadmins and managed service providers. Get escalating expiry alerts, full DNS/SPF/DMARC checks, and a Grafana-compatible API — all without agents or firewall changes.
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