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Email Domain Health Checker
Enter any domain for an instant audit of SPF, DKIM, DMARC, MX records, blacklist status, and overall deliverability health score (0–100). Colour-coded results with actionable fix recommendations.
Note: This is a demo version using simulated data. Full DNS lookups and real-time blacklist checks will be available soon. The UI and scoring methodology are production-ready.
coldBirds auto-configures SPF/DKIM/DMARC and monitors health every 6 hours — so you never score low again.
Start with 20 Free Mailboxes →You Might Also Need
Blacklist Checker
Check your domain or IP against 100+ email blacklists with delisting instructions.
DNS Record Generator
Generate copy-paste DNS records (SPF, DKIM, DMARC) for your email provider with step-by-step instructions.
Reputation Lookup
Check your domain and IP reputation across Google Postmaster, Microsoft SNDS, SenderScore, and more.