Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
admissions.upenn.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 22:53:41 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
- 23.185.0.4 (no PTR)
- 2620:12a:8001::4 (no PTR)
- 2620:12a:8000::4 (no PTR)
Mail Server IPs
- 148.163.133.158 ↩ mx0a-00390e01.pphosted.com
- 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:mail.zendesk.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
2 records- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:mail.zendesk.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu ~all
- MS=628CFD2AADD9465D7DA74A86E4D9DD225BF9BF66
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