udo.mx

Valid Email Server
Domain Lookup › udo.mx
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
udo.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-16 04:42:44 UTC · ↺ Refresh

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MX Hostnames

  • a8ce0e7debcdc34d7bbe3c6713223f.mail.outlook.com
  • udo-mx.mail.protection.outlook.com

MX Priorities

  • a8ce0e7debcdc34d7bbe3c6713223f.mail.outlook.com: 10
  • udo-mx.mail.protection.outlook.com: 0

A / AAAA Records

  • 187.210.130.91

Mail Server IPs

  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.10.8
  • 52.101.10.10
  • 2a01:111:f403:f90d::
  • 2a01:111:f403:f802::1
  • 2a01:111:f403:c801::
  • 2a01:111:f403:c902::3

SOA Record

Raw SOA dns1 hostmaster 138 3000 600 86400 3600
Primary NS (mname)
dns1
Admin Email (rname)
hostmaster
Serial
138
Refresh
3000s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

dns1.udo.mx

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

2 records
  • v=msv1 t=a8ce0e7debcdc34d7bbe3c6713223f
  • SPFv=spf1 include:spf.protection.outlook.com -all
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