mayoclinic.org

Valid Email Server
Domain Lookup › mayoclinic.org

Domain Overview

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

Checked via [email protected] · 2026-03-18 02:21:42 UTC · ↺ Refresh

MX Hostnames

  • mail3.mayo.edu
  • mail4.mayo.edu
  • mail2.mayo.edu
  • mail5.mayo.edu

MX Priorities

  • mail4.mayo.edu: 10
  • mail5.mayo.edu: 10
  • mail3.mayo.edu: 10
  • mail2.mayo.edu: 10

A / AAAA Records

  • 129.176.1.88 ↩ spectrumhealth.testcatalog.org

Mail Server IPs

  • 129.176.114.104 ↩ mail4.mayo.edu
  • 129.176.115.5 ↩ mail5.mayo.edu
  • 129.176.113.113 ↩ mail3.mayo.edu
  • 129.176.112.102 ↩ mail2.mayo.edu

SOA Record

Raw SOA dns1.mayo.edu noc.mayo.edu 2723 10800 3600 2592000 900
Primary NS (mname)
dns1.mayo.edu
Admin Email (rname)
noc@mayo.edu
Serial
2723
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s

Nameservers (NS)

a14-64.akam.net
a1-70.akam.net
a18-66.akam.net
a3-66.akam.net
dns1.mayo.edu
a13-66.akam.net
a10-66.akam.net
dns2.mayo.edu

SPF Record

✓ Strict (-all)
v=spf1 mx include:_spf.mayo.edu include:_spf_msgfe_mcmo.mayo.edu -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=reject; pct=100; rf=afrf; ri=86400; fo=1; aspf=s; adkim=s; ruf=mailto:[email protected]; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 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

14 records
  • apple-domain-verification=5FmDAtv2LsDzpMQJbHcPQadpnY8p1YJn5I5oM64bP_k
  • apple-domain-verification=tB6bZOjVnxrGsvNAUCrbvu8w13vf8gisqEuRLcHvBHY
  • google-site-verification=c_nY9XkweOjwanwbo_17mAeu3bcE4YM5ow3YLyr2F_Q
  • ncy863bz54x4hbfx0kxpzms73067ls2p
  • fastly-domain-delegation-b7wfficndvihh4xc7g4z-782253-2024-06-25
  • google-site-verification=RTxl6bpOvfdYSWz8OvWzgQBH7z8MU19_g8HIm0_FvmM
  • google-site-verification=ICU8hJAwq3J2ACTSaBwdom6ULZp-485-2jcBAe3MdHY
  • google-site-verification=4c_u2Bkm2Ukeurbn5E8KNOMWB8mZ13akrsKP4Pf9MLY
  • _uz5g1k3wp3my53wj46cfl46g6oxkp54
  • facebook-domain-verification=hb879ie9x7og44v8xzca5ea8aywdbn
  • SPFv=spf1 mx include:_spf.mayo.edu include:_spf_msgfe_mcmo.mayo.edu -all
  • google-site-verification=rSQpDFkAgTB3fF4YoIkO1jSJOs7JOlG8CZMzuQJNdxs
  • google-site-verification=JKKcK-DB3LxE-lKs2pZjLfa9o--85ahsbeOwD-LDNdY
  • google-site-verification=6vNtdz7ZLqfEYDC2BP1hJKrMY_7QtttXQiTykug1hYA
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 mayoclinic.org

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

No credit card required
Get 1,000 Free Credits