W3dt.net Alternatives

IntoDNS checks the health and configuration and provides DNS report and mail servers report.

SolveDNS works to check your name servers, a records, and mail servers, SOA records for errors, consistency, efficiency and speed using several DNS tests.

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering.

With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.

paid Free Trial $164.45 / Annually (Starter)

Audit your domain name DNS settings easily and quickly.

RapidSpike is a reliability, performance and security monitoring service for transactional websites. Using next-generation synthetic monitoring & deeper than ever before data, RapidSpike is for businesses serious about protecting their online revenue

paid Free Trial £25.0 / Monthly

Powerful domain name and ip address tools for DNS Lookup (nslookup), Supports Reverse DNS, FCrDNS...

Free Website Uptime Monitoring

freemium $5.5 / Monthly (Pro Account)

Provides a comprehensive test and report on the health of your DNS.

DNS is a free online service to check your domain’s servers for common DNS and mail errors and produces a report with explanations how to fix them.

Webcron - Website and Server Performance Monitoring and Online Web Cron. Reliable Cron Jobs Service with WebCron interface. The easiest way to set cron jobs.

Nameserver Checker Tools

free