DNS Doctor
Email tool

Test a real email

Send one message to a single-use address. You get a report like the example: what passed, what didn't, and what each problem cost.

  1. 1Get the address
  2. 2Send one email from the sender to check
  3. 3Read your score
Address
takes one message, lives 60 minutes
Kept
24 hours, or 90 days in your account
Free
3 a day, counted only when a message arrives
Example resultFrom news@example.com
7.5/10
  • Servermail.example.net; its reverse name does not resolve back to itNot confirmed
  • SPFmail.example.net may send for bounce.example.comAligned
  • DKIM1 signature, example.com, verifiedAligned
  • DMARCexample.com publishes no DMARC recordNo record
  • BlocklistsThe sending IP is on none of the lists checkedNot listed
Deductions
  • −1.0The From domain publishes no DMARC record
  • −0.5HTML with no plain-text alternative
  • −0.5Reply-To points at another organization's domain
  • −0.5The sending IP has no forward-confirmed PTR
AI note · not scored

The subject is plain and nothing in the opening text looks like a spam trigger.

A score below 10 usually means a DNS record to change. A domain scan gives you the exact record.Scan a domain →