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Use CheckWebs as a free WhatsMyDNS alternative for DNS propagation, DNS lookup, nameserver, MX, TXT, DNSSEC, and email authentication troubleshooting.
Recommended workflow
Start with DNS Propagation when a record was changed recently and results look inconsistent.
Open DNS Propagation CheckerUse DNS Lookup and NS Records to confirm nameservers and live record values.
Open DNS LookupRun MX, TXT, Email Check, DNSSEC, and BIMI checks when the change affects mail routing or sender trust.
Open MX Record LookupBest fit
Not built for
Included checks
Check if DNS changes have propagated globally
Look up all DNS records for any domain
Find authoritative nameservers for a domain
Find mail exchange servers for a domain
View all TXT records including SPF, DKIM, DMARC
Check if DNSSEC is enabled and properly configured
Check SPF, DKIM, DMARC, and mail server configuration
Check Brand Indicators for Message Identification (email logo)
Comparison
FAQ
It depends on TTLs, resolver cache, registrar changes, and provider behavior. Use propagation checks for visibility, then verify authoritative records separately.
Yes, especially for email. MX controls routing, while TXT often contains SPF, DKIM, DMARC, provider verification, and other trust records.
DNSSEC can affect trust and resolution behavior, while BIMI depends on email authentication and DNS records being correct.
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