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Use CheckWebs as a free MXToolbox alternative for MX, TXT, SPF, DKIM, DMARC, DNS, BIMI, nameserver, and email configuration checks.
Recommended workflow
Start with SPF, DKIM, DMARC, MX, and email configuration signals in one pass.
Open Email Configuration CheckerOpen MX, TXT, nameserver, and DNS lookup tools to confirm exact record values.
Open MX Record LookupValidate DNSSEC, BIMI, and DNS propagation when changes are new or inconsistent.
Open DNSSEC CheckerBest fit
Not built for
Included checks
Check SPF, DKIM, DMARC, and mail server configuration
Find mail exchange servers for a domain
View all TXT records including SPF, DKIM, DMARC
Look up all DNS records for any domain
Find authoritative nameservers for a domain
Check if DNSSEC is enabled and properly configured
Check Brand Indicators for Message Identification (email logo)
Check if DNS changes have propagated globally
Comparison
FAQ
No. This page focuses on DNS and email authentication records. For blacklist monitoring, use a dedicated deliverability platform.
SPF, DKIM, and DMARC are the main records. MX controls mail routing, and BIMI can support brand display when configured correctly.
The combined email check gives a summary, while raw MX and TXT tools show exact records for debugging.
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