Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cbu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:18:58 UTC · ↺ Refresh
MX Hostnames
- cbu-edu.mail.protection.outlook.com
MX Priorities
- cbu-edu.mail.protection.outlook.com: 1
A / AAAA Records
- 23.185.0.2 (no PTR)
- 2620:12a:8000::2 (no PTR)
- 2620:12a:8001::2
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
effip2.cbu.edu empty.empty 2142174949 3600 600 1209600 3600
Primary NS (mname)
effip2.cbu.edu
Admin Email (rname)
empty@empty
Serial
2142174949
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns5.cbu.edu
dns4.cbu.edu
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.psm.knowbe4.com include:e2ma.net include:spf.protection.outlook.com include:spf.wbm.ai a:outlook.cbu.edu -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- google-site-verification=EjIMSdOBKh9Boyx_y0J_D4rwrGZG--3mmeWrx0Ab55c
- yahoo-verification-key=QGk38pN1Y1mMD0/G3b8ZXFlkzTSQkU05w1EgGoZZO8U=
- adobe-idp-site-verification=2c0480ad8f12a4c9ed1a4dbf3a65b911d030acff27f60741203e563ecfabe455
- globalsign-domain-verification=JFBSp_BuySYTz2eB_PzggVZi7jbP0CWkrkAfwpPh4g
- globalsign-domain-verification=1dm8j9ZYlX3iVJGlBgVfdJRZMTFJrqHiV75winZB1O
- cisco-ci-domain-verification=594ca4bcf4c6ded683fbed1964b01cc7646902e8bb086eb966a2bc85f4ef2771
- SPFv=spf1 include:_spf.psm.knowbe4.com include:e2ma.net include:spf.protection.outlook.com include:spf.wbm.ai a:outlook.cbu.edu -all
- openai-domain-verification=dv-xzM0WAXiMapqrDkYBMk25rjm
- bw=PHxkDcbya1aGfNLrtmpySydAGznSUzBGWGbUdBkN0kW7
- apple-domain-verification=8OMpS6hL5sM20ezl
Full email verification for cbu.edu
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