

Email & Domain Reputation Platform
Know your email reputation
before your inbox does.
SureSend runs 20+ live security checks across your email infrastructure — SPF, DMARC, DKIM, blacklists, SSL, and more — and turns the results into a single actionable reputation score.
20+
Security checks
5
Blacklists monitored
0–100
Reputation score
Real-time
Live DNS lookups
Every check that matters, in one place
Checks run live against DNS and HTTP — no cached data, no stale results.
Email Authentication
- MX Records — Confirms mail servers are reachable
- SPF — Validates authorised sending sources
- DMARC — Enforces policy and reports abuse
- DKIM — Cryptographic message signing
Email Transport Security
- MTA-STS — Enforces TLS for inbound delivery
- TLS-RPT — TLS failure reporting
- BIMI — Brand logo display in inboxes
Web Security
- HTTPS — Checks site is reachable over TLS
- HTTP→HTTPS Redirect — Ensures all traffic is encrypted
- SSL Expiry — Alerts before certificates expire
- HSTS — Browser-enforced HTTPS
- Security Headers — X-Content-Type & X-Frame-Options
DNS Health
- CAA Records — Controls who can issue your certificates
- NS Count — Verifies redundant nameservers
- PTR / rDNS — Reverse DNS for MX servers
Blacklist Monitoring
- Spamhaus ZEN — Combined IP reputation list
- SpamCop — Community-reported spam sources
- SORBS — Spam and open-relay blacklist
- CBL — Composite Blocking List
- Spamhaus DBL — Domain-based blacklist
Reputation Score
Every check contributes to a single 0–100 score. Critical issues like missing MX or blacklist listings carry the most weight.
Clean
80–100
Warning
50–79
Blacklisted
0–49
Ready to protect your deliverability?
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