Trust map for umich.edu

Full report for umich.edu

umich.edu's email depends on 1 domain run by 1 organisation.

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

Asking 2 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 umich.edu.

google.com
Run by Google
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 umich.edu, and that mail passes SPF and DMARC.
How it is trusted
- SPF
  umich.edu
  _spf.mail.umich.edu
  _spf.google.com
Registration
Looking up the date
Asking the registry.
Open the report for google.com

Receiving

Mail comes to your own servers.

Reports

Reports stay on your own domain.

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…