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DNS Lookup
Query any record type
WHOIS / RDAP
Domain registration info
IP Info
Geolocation, ASN & abuse
DNSSEC
Validate chain of trust
Propagation
Global DNS propagation check
Email Health
SPF, DKIM, DMARC & blacklists
CT Logs
SSL certificate transparency
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DNS Tools
DNS Lookup
Query any record type
WHOIS / RDAP
Domain registration info
IP Info
Geolocation, ASN & abuse
DNSSEC
Validate chain of trust
Propagation
Global DNS propagation check
Analysis
Email Health
SPF, DKIM, DMARC & blacklists
CT Logs
SSL certificate transparency
Batch Lookup
Bulk DNS checks + CSV export
Compare
Side-by-side DNS diff
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DNS Diagnostic
Deep-inspect any domain's DNS health — direct queries, no third-party APIs.
Diagnose DNS
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tfx.sg
WHOIS / RDAP
Registrar, expiry & ownership details
DNSSEC Validation
Chain of trust & signature verification
Email Health
SPF, DKIM, DMARC & deliverability score
TLS Certificate
CT log history, SANs & cert details
DNS Propagation
Live check across global resolvers