Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
case.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 08:34:40 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 2026032304 900 600 604800 900
Primary NS (mname)
ns.cwru.edu
Admin Email (rname)
root@ns.cwru.edu
Serial
2026032304
Refresh
900s
Retry
600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns2.cwru.edu
ns3.cwru.edu
ns4.cwru.edu
ns4.oar.net
ns5.oar.net
ns6.oar.net
ns7.oar.net
ns.cwru.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:129.22.0.0/16 a:campusmtas.case.edu a:hostedmtas.case.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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
14 records- d365mktkey=7f3caccch8fm32d62jlg34hyb
- ZOOM_verify_h4xB4HYiS02IoqrhIp02Ow
- e2ma-verification=wm1eb
- SPFv=spf1 ip4:129.22.0.0/16 a:campusmtas.case.edu a:hostedmtas.case.edu include:_spf.google.com ~all
- adobe-idp-site-verification=dd5084a50b4d78df7d66ea3d232d7d5c230f441cfb059a19217782c08b01dbf4
- cisco-ci-domain-verification=5e1e3ed6e0b31a679241c0967c3e2a8003c451083ac205714d8bbed100da3f26
- stripe-verification=30D847D6856E6057C9DCDCDC075ACAE188013B6FF93A2D002252430C18D6E418
- wrike-verification=MzQwMDU3OTo5M2YwZGU1ZGY1OGIzYzA4MTQ2NmFlMGYyMjAyZDhjMjBkMWNlOWY2ODlkY2Y4Yzg3N2YzNWI1Nzk4NTg0NzU5
- atlassian-sending-domain-verification=9cbaf077-c876-44ad-81d8-fc94d063fe01
- google-site-verification=fhd6p2ZMdb_t2MQmt8ui2hFYZ6T7Wgu1cruBnHt4v0g
- d365mktkey=3bpq3njsgkhid44t92i681k39
- myengine=41af3c7d0b8fb6cd48487c81f399cd06
- google-site-verification=uE5m2Jvj7oH9NyuPH60W1ExfUZnkDwco2_ah6tunKyw
- asv=3232f49d57638876429b8df40f79b386
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