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DNS Checks & Security Validations

Check SPF, DKIM, DMARC, DNSSEC, propagation, subdomains and more—fast, no cookies, enterprise-grade feedback.

Updated: 23-Aug-2025
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No Cookies
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Free
e.g. example.com
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DNS Records
Validate A, MX, CNAME, TXT, and overall record health.
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Propagation
Worldwide DNS propagation status from key resolvers.
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Subdomain Discovery
Find hidden or forgotten subdomains tied to your domain.
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IP Analysis
Lookup reverse DNS, geolocation, blacklists, and abuse history.
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Typosquatting
Detect lookalike domains that could be phishing risks.

Quick Generators & SSL Checker

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DKIM Generator

Generate DKIM keys and selector records to sign your outbound email securely.

Open Generator →
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DMARC Generator

Create DMARC policies with proper alignment and reporting to harden email protection.

Open Generator →
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SSL Checker

Validate certificate chain, expiration, and configuration for HTTPS security.

Run Check →

Enter Domain Name to Check DNS Records & Security

Check DNS Propagation Worldwide

Discover Subdomains

Find subdomains using certificate transparency logs and common subdomain enumeration.
Note: This process may take 30-60 seconds for comprehensive results.

IP Address Analysis

Analyze IP addresses for geolocation, ISP information, reverse DNS, and security reputation.
Note: Enter any valid IPv4 or IPv6 address for comprehensive analysis.

Typosquatting & Brand Protection Check

Detect malicious domains that could be targeting your brand through typosquatting, homograph attacks, and domain variations.
Note: This comprehensive scan may take 1-2 minutes to complete.

Checking DNS records and performing advanced DNSSEC validation...

DNS Records for domain.com