Handy tools for your business.
Quick tools to check your domain, generate secure passwords, and test your email security setup — no account needed.
Domain Lookup
Check who owns a domain, when it expires, and registrar details.
Secure Password Generator
Memorable passwords that are easy to remember and strong enough for business use.
Email Security Check
Check if your domain has SPF, DKIM and DMARC configured correctly.
Poor email security can lead to phishing attacks impersonating your business and email delivery issues. SPF, DKIM and DMARC records tell receiving mail servers that your emails are legitimate — and prevent others from spoofing your domain.
Check individual records on MXToolbox:
Specifies which mail servers are allowed to send email for your domain.
Check SPF on MXToolbox →Adds a cryptographic signature to outbound emails, proving they haven't been tampered with.
Check DKIM on MXToolbox →Tells receiving servers what to do when SPF/DKIM checks fail — reject, quarantine or allow.
Check DMARC on MXToolbox →