u-erre.edu.mx

Valid Email Server
Domain Lookup › u-erre.edu.mx

Domain Overview

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

Checked via [email protected] · 2026-03-27 03:37:08 UTC · ↺ Refresh

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MX Hostnames

  • uerre-edu-mx0c.mail.protection.outlook.com

MX Priorities

  • uerre-edu-mx0c.mail.protection.outlook.com: 0

A / AAAA Records

  • 35.215.73.234 ↩ 234.73.215.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com

SOA Record

Raw SOA ns-902.awsdns-48.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-902.awsdns-48.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-51.awsdns-06.com
ns-902.awsdns-48.net
ns-1499.awsdns-59.org
ns-1899.awsdns-45.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.mlsend.com include:mailgun.org include:_spf.qualtrics.com -allmailerlite-domain-verification=cdca5f50dc3785451a7e97b0c1c9bbbfb7b395a8
📊 DNS lookups: 4/10

DMARC Record

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

3 records
  • MS=ms66325486
  • sophos-domain-verification=d24d073f9adcca978769a4cd00b6d365300f5a119a08680136da05b45a94aa33
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.mlsend.com include:mailgun.org include:_spf.qualtrics.com -allmailerlite-domain-verification=cdca5f50dc3785451a7e97b0c1c9bbbfb7b395a8
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