Practical tools for MSPs and IT professionals. No signup required, no limits on basic usage. Just useful utilities you can use right now.
WHOIS Domain Lookup
Look up domain registration details including registrar, expiration date, nameservers, and DNSSEC status. Powered by RDAP, the modern replacement for WHOIS.
Email Security Checker
Check SPF, DKIM, and DMARC records for any domain. Get a security grade, detailed analysis, and actionable recommendations to improve your email authentication.
Need to Manage DNS at Scale?
These tools check one domain at a time. Unified DNS lets MSPs manage SPF, DKIM, DMARC, and DNS records across hundreds of domains and multiple registrars from a single dashboard. Try it free for a month with code FREETRIAL2026 at portal.udns.app.
Request a Demo of Unified DNS