Trust map for harvard.edu

Full report for harvard.edu

harvard.edu's email depends on 3 domains run by 3 organisations.

Unrecognised domains count as one organisation each, so the true number may be lower.

Asking 4 registries for registration dates.

Registration dates never change the grade; most domains renew automatically.

Sending

Named in SPF. These can approve servers to send as harvard.edu.

vali.email
Run by Valimail
If this domain falls
Falling means someone else controls its DNS, by lapse or hijack.
- Can send as you
  They can approve any server to send as harvard.edu, and that mail passes SPF and DMARC.
- Sees your sending data
  Your DMARC reports go to them, listing the servers sending as harvard.edu and how much.
How it is trusted
- SPF
  harvard.edu
  _spf.vali.email
- DMARC reports
  harvard.edu
  vali.email
Registration
Looking up the date
Asking the registry.
Open the report for vali.email

Receiving

Named in MX. Mail sent to harvard.edu goes to these.

Reports

Named in DMARC. Your sending reports go to these.

Built from SPF, MX and DMARC report addresses. Your DNS host and DKIM services are not shown, as public DNS does not list them. This shows what is at stake, not current risk.

Reading the records…