mail.rmu.edu

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
mail.rmu.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 16:21:02 UTC · ↺ Refresh

MX Hostnames

  • mxb-00006a01.gslb.pphosted.com
  • mxa-00006a01.gslb.pphosted.com

MX Priorities

  • mxa-00006a01.gslb.pphosted.com: 0
  • mxb-00006a01.gslb.pphosted.com: 0

A / AAAA Records

  • 192.203.233.230 ↩ vhost.rmu.edu

Mail Server IPs

  • 66.159.239.196 ↩ mx0b-00006a01.pphosted.com
  • 66.159.241.224 ↩ mx0a-00006a01.pphosted.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 ip4:66.159.241.224 ip4:66.159.239.196 ip4:209.143.65.66/26 ip4:198.21.1.32 include:mh.blackboard.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; aspf=s; adkim=s; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; rf=afrf; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 2 found
google._domainkey
k1._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

10 records
  • google-site-verification=xkntFWstAtBXis6PneTo3tHRPQj0sPrlWtWyou3N0xc
  • knowbe4-site-verification=39503e53f6d5dc2b37ab63a8bb9db36a
  • reftab-domain-verification=98917726f0dbbc387d8f5abc536af0d1
  • rhino_accounts=c523270d6e85ba2f42cbe69a95382b99
  • SPFv=spf1 ip4:66.159.241.224 ip4:66.159.239.196 ip4:209.143.65.66/26 ip4:198.21.1.32 include:mh.blackboard.com include:_spf.google.com -all
  • 285LBSCOYI8O6ZFUBIM1YHUFXZSA5R2NO2SYAKN97
  • MS=5A3409405F0D5E3F3672236CF184F4C0FCF3BD87
  • ZOOM_verify_qfBlmhg6RYW9HG6V24cE5A
  • apple-domain-verification=8kMMqRoEPphDGVHu
  • autodesk-domain-verification=WQmQ5W20l152A_fneTrH
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