CNAME Checker: Instantly Validate Your DNS Records
Make sure your domain’s CNAME records are set up correctly—especially for email tools, tracking, and custom domains. Catch configuration issues before they impact deliverability or functionality.
Don’t Just Send. Check Your DNS First.
Know whether your email tool, custom domain, or tracking setup is working—or silently breaking your campaigns.
Validate Email Authentication
Confirm your domain’s CNAME is correctly pointing to email platforms or tracking services.
Check Custom Domains
Ensure your branded URLs and landing pages resolve without issues.
Avoid Deliverability Failures
Spot and fix DNS errors that hurt sender reputation and inbox placement
What You Can Do With Sparkle’s CNAME Checker
Quickly audit your DNS, diagnose errors, and optimize domain configuration.
Run Instant DNS CNAME Lookup
Enter your domain to get instant visibility into your active CNAME records.
Check Industry-Standard Setup
See if your records follow best practices for email platforms and tracking tools.
Discover Fixes & Suggestions
Get guidance if your CNAME records are missing, broken, or outdated.
Who Can Use Sparkle’s CNAME Checker
Ideal for growth-focused B2B teams across all stages.
Founders & CEOs
Protect your brand and domain integrity.
Marketing & SEO Teams
Confirm setup of tracking domains and branded URLs.
Sales Managers
Ensure custom domains and cold email platforms are correctly authenticated.
Understanding Your Result
Get your CNAME status plus how it compares to recommended setups. See whether your DNS is working, partially broken, or misconfigured.
How It Works
Getting started takes 30 seconds:
Enter the Domain
Input your domain name to check its DNS status.
Run CNAME Check
Sparkle initiates a real-time handshake and retrieves certificate details.
Review & Fix
View your result, identify errors, and follow fix instructions.
Turn Insight into Action
The CNAME Checker is just one of the ways Sparkle helps you improve email performance and outbound success.
200 free email verification credits/day
AI-powered cold email workflows
Built-in CRM and multichannel outreach tools
Conversion-focused tracking and insights
Frequently asked questions
Everything you need to know about the product and billing.
We perform a DNS lookup on your domain and analyze your CNAME records.
Yes—partial results are shown instantly. Sign up to view the full report.
Generally, under 0.5% is excellent. Rates above 1% may need immediate attention.
Yes, create a free account to unlock, view, and export your full DNS report.
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Join 1,000+ startups and scale-ups already powering their outreach with Sparkle.