Trust map for johnshopkins.edu

Full report for johnshopkins.edu

johnshopkins.edu's email depends on 4 domains run by 4 organisations.

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

Asking 5 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 johnshopkins.edu.

jh.edu
Not in our catalogue
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 johnshopkins.edu, and that mail passes SPF and DMARC.
How it is trusted
- SPF
  johnshopkins.edu
  spf1.jh.edu
Registration
Looking up the date
Asking the registry.
Open the report for jh.edu

Receiving

Mail comes to your own servers.

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…