health.slu.edu

Email infrastructure report · Last checked 28 Jul 2026, 18:46 UTC

Summary

health.slu.edu uses Proofpoint for email and has SPF and DKIM configured. It is a catch-all domain.

Mail provider

ProviderProofpoint security-gateway

Primary MXmxa-00234e01.gslb.pphosted.com

MX records

Priority	Hostname	IPs
10	mxa-00234e01.gslb.pphosted.com	148.163.156.131
10	mxb-00234e01.gslb.pphosted.com	148.163.158.101

Authentication

SPF✓ Present ~all

DKIM✓ Found (selectors: selector1)

DMARC✗ Missing

Raw SPF record

v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.qualtrics.com ~all

Email behavior

Catch-all✓ Yes

Disposable✗ No

Free provider✗ No

STARTTLS✓ Supported

SMTP response493ms

SMTP banner220 mx0a-00234e01.pphosted.com ESMTP mfa-m0347864

What this means

This domain is missing DMARC, which weakens its protection against email spoofing. Adding this record would improve deliverability and reduce the risk of impersonation.

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