mclean.harvard.edu

Valid Email Server
Domain Lookup › mclean.harvard.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mclean.harvard.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 14:07:31 UTC · ↺ Refresh

MX Hostnames

  • mx1.hc4087-85.iphmx.com

MX Priorities

  • mx1.hc4087-85.iphmx.com: 20

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 207.54.94.63 ↩ esa.hc4087-85.iphmx.com
  • 207.54.84.45 ↩ esa.hc4087-85.iphmx.com

SOA Record

Raw SOA ecorexns1.partners.org domainadmin.partners.org 2005176754 3600 3600 2592000 900
Primary NS (mname)
ecorexns1.partners.org
Admin Email (rname)
domainadmin@partners.org
Serial
2005176754
Refresh
3600s
Retry
3600s
Expire
2592000s
Minimum TTL
900s

Nameservers (NS)

ecorexns2.partners.org
ocorexns1.partners.org
ocorexns2.partners.org
ecorexns1.partners.org

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:155.52.251.0/24 ip4:132.183.181.128/26 exists:%{i}.spf.hc5520-37.iphmx.com exists:%{i}.spf.hc6077-55.iphmx.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;fo=1;ri=3600;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

9 records
  • google-site-verification=w9cocUm0k0vMvhTDRwC-uvTzfujx0by6oV4X2I5982g
  • 6wTbJ6x1nJDGyHNzWkVobqyAFMa3VZ8aiD5CBZrHd+/LapRP/bKyEea6K9c4e6t6TVTXY4qWmbELPhiVNpmemA==
  • MS=6wTbJ6x1nJDGyHNzWkVobqyAFMa3VZ8aiD5CBZrHd+/LapRP/bKyEea6K9c4e6t6TVTXY4qWmbELPhiVNpmemA==
  • dropbox-domain-verification=3u3gju1ee7j2
  • MS=ms45777936
  • ZOOM_verify_grCBZ09O1zKxKargJyLwKs
  • d0c73fc0-958d-45ec-b9f1-5ad907647a29
  • cisco-ci-domain-verification=402d687a41c380b5c28e3f97e6d834dcccf8ce547fcb949c5c02c278f3b52c49
  • SPFv=spf1 ip4:155.52.251.0/24 ip4:132.183.181.128/26 exists:%{i}.spf.hc5520-37.iphmx.com exists:%{i}.spf.hc6077-55.iphmx.com ~all
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 mclean.harvard.edu

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

No credit card required
Get 1,000 Free Credits