humboldt.edu.mx

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
humboldt.edu.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 22:32:40 UTC · ↺ Refresh

MX Hostnames

  • humboldt-edu-mx.mail.protection.outlook.com

MX Priorities

  • humboldt-edu-mx.mail.protection.outlook.com: 0

A / AAAA Records

  • 35.224.178.105 ↩ 105.178.224.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns33.domaincontrol.com dns.jomax.net 2026031200 28800 7200 604800 600
Primary NS (mname)
ns33.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns34.domaincontrol.com
ns33.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mandrillapp.com include:hubspotemail.net include:mail1.nempost.dk -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected],mailto:[email protected]; pct=100; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none

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

13 records
  • c0vepimv8qbf2p3a1amdr3j09c
  • ZOOM_verify_x2BfElgESAmEZbRAPXmHlQ
  • 15fciqshro2msdn58c18u3tm5h
  • 4lr8g9ghetrovccto9s8qhtcjk
  • SPFv=spf1 include:spf.protection.outlook.com include:mandrillapp.com include:hubspotemail.net include:mail1.nempost.dk -all
  • google-site-verification=QQtBrN4jDuJhf5PIOBRqYqh9XQtQZst2q4GOl_SIhK8
  • google-site-verification=W8z4rj7p-CfbQaJakT_EA2xCpwn7nTvtrNW0ONRVd3s
  • google-site-verification=47rYy5i60-bcv8o5ojV3geHkcpoe7n9-KZlnr4MdHzY
  • apple-domain-verification=iR1WsEmsKmi8q3nB
  • apple-domain-verification=KGtjq0Y519K1lP7c
  • apple-domain-verification=p1aGeawB4SJF1jPL
  • mf6i3qca5vo16n5ro7kcgtiikr
  • o6n84epr09chrcbc9ic9srvhiv
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for humboldt.edu.mx

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits