SureSend
SureSend
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

Critical

0–49

Ready to protect your deliverability?

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