psr.edu

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
psr.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 01:49:54 UTC · ↺ Refresh

MX Hostnames

  • psr-edu.mail.protection.outlook.com

MX Priorities

  • psr-edu.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA pdns03.domaincontrol.com dns.jomax.net 2025101500 28800 7200 604800 600
Primary NS (mname)
pdns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025101500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns04.domaincontrol.com
pdns03.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:209.214.117.82 include:spf.protection.outlook.com +include:outboundmail.blackbaud.net include:sendgrid.net include:_spf.salesforce.com ~all exp=fail._spf.psr.edu
📊 DNS lookups: 4/10

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; aspf=s; adkim=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

3 records
  • google-site-verification=mi6Rg6qTccLyotqwyD6CS61pONxqkW8I1pWUJfJ11cM
  • SPFv=spf1 ip4:209.214.117.82 include:spf.protection.outlook.com +include:outboundmail.blackbaud.net include:sendgrid.net include:_spf.salesforce.com ~all exp=fail._spf.psr.edu
  • facebook-domain-verification=wyv8krz8pbjkpdmv4g7f1sxxa9dck2
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