ben.dev.upenn.edu

Valid Email Server
Domain Lookup › ben.dev.upenn.edu
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ben.dev.upenn.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-17 20:02:46 UTC · ↺ Refresh

MX Hostnames

  • mxb-00390e01.gslb.pphosted.com
  • mxa-00390e01.gslb.pphosted.com

MX Priorities

  • mxb-00390e01.gslb.pphosted.com: 10
  • mxa-00390e01.gslb.pphosted.com: 10

A / AAAA Records

  • 128.91.2.9 ↩ ben.dev.upenn.edu
  • 128.91.3.15 ↩ ben.dev.upenn.edu

Mail Server IPs

  • 148.163.137.158 ↩ mx0b-00390e01.pphosted.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu include:cust-spf.exacttarget.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu include:cust-spf.exacttarget.com ~all
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