iuoe.org

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 16:33:59 UTC · ↺ Refresh

MX Hostnames

  • iuoe-org.mail.protection.outlook.com

MX Priorities

  • iuoe-org.mail.protection.outlook.com: 10

A / AAAA Records

  • 20.49.104.57 (no PTR)

Mail Server IPs

  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA auth1.dns.cogentco.com dns.cogentco.com 2026021309 10800 3600 604800 43200
Primary NS (mname)
auth1.dns.cogentco.com
Admin Email (rname)
dns@cogentco.com
Serial
2026021309
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
43200s

Nameservers (NS)

auth1.dns.cogentco.com
auth2.dns.cogentco.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com ~all
  • sophos-domain-verification=15457eaff39d90fc2514c18d0822a6f76adaf3c257a4b00161681a37a06f0e80
  • 9daae536bdce410cabede00e73616b9a
  • MS=ms95247694
  • apple-domain-verification=3NDLtl99gDfA9NrY
Full email verification for iuoe.org

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