cwru.edu

Valid Email Server
Domain Lookup › cwru.edu

Domain Overview

DNS: ✓ 23h ago Checker: ✓ 23h ago
cwru.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 09:10:10 UTC · ↺ Refresh

MX Hostnames

  • smtp.lb.cwru.edu

MX Priorities

  • smtp.lb.cwru.edu: 5

A / AAAA Records

  • 23.185.0.3 (no PTR)

Mail Server IPs

  • 129.22.12.63 ↩ smtp-in-lb-cfd.case.edu

SOA Record

Raw SOA ns.cwru.edu root.ns.cwru.edu 2026052005 3600 900 604800 900
Primary NS (mname)
ns.cwru.edu
Admin Email (rname)
root@ns.cwru.edu
Serial
2026052005
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns6.oar.net
ns5.oar.net
ns2.cwru.edu
ns3.cwru.edu
ns.cwru.edu
ns4.oar.net
ns7.oar.net
ns4.cwru.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:129.22.0.0/16 a:campusmtas.cwru.edu a:hostedmtas.cwru.edu include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 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

5 records
  • google-site-verification=GsoS67_dQLyGqcVCH8WD_-YgXmxd3imdj7q2Ad7d_94
  • SPFv=spf1 ip4:129.22.0.0/16 a:campusmtas.cwru.edu a:hostedmtas.cwru.edu include:_spf.google.com ~all
  • anthropic-domain-verification-0y8ajb=p6FIQN8ErDrttQafeW0Cgw3la
  • adobe-idp-site-verification=dd5084a50b4d78df7d66ea3d232d7d5c230f441cfb059a19217782c08b01dbf4
  • 8BFF2B3817E43574E1F0CEFC64B517CC
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