csuchico.edu

Valid Email Server
Domain Lookup › csuchico.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
csuchico.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 13:43:33 UTC · ↺ Refresh

MX Hostnames

  • csuchico-edu.mail.protection.outlook.com

MX Priorities

  • csuchico-edu.mail.protection.outlook.com: 0

A / AAAA Records

  • 132.241.85.165 (no PTR)
  • 132.241.85.164 (no PTR)

Mail Server IPs

  • 52.101.9.17 (no PTR)
  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-02.azure-dns.com hostmaster.csuchico.edu 2025031103 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
hostmaster@csuchico.edu
Serial
2025031103
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:_spf-int01.csuchico.edu include:_spf-ext01.csuchico.edu include:_spf-ext02.csuchico.edu include:_spf-ext03.csuchico.edu -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
  • DKIMv=DKIM1; t=y; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+lt/jO+GOAtblI/3O9fRY8iKCkthpk39esZOKzsD0OYuScoF4l9omQzAI86nTM2QsBIjvj1id3OZI00pthpseLwuHfdsq1hAFKT4ORnX2EHdl+CqWA+0DpYT9EWuqWQpED5XllVU6jChVJMvNUT3GsB1UkCoz5MzAUsOOCGWQV6B/8Tm73RjtXMIDlB/TTWPF8p8caqUPJFllnFXCh58dSMRKK/QA2Ik/0I7f0aA4Sq750QAQtQKRYgd67yNKXRPc1sy/VhH6DzCmVKdlnuUQ/QVqCv9Sh4AMvJZWav08ldAzazmd9/3tXIPswRuwNkULkhBVwGwN8wwLcJTd4g1QIDAQAB
  • autodesk-domain-verification=gNGB-ycIKhn_C-yy-0Ai
  • duo_sso_verification=MtQldHzLfGl7OKi7XqjJyACARbIhrbs8avHwphK7u6KoI6pIl77YqRD9aWGMIhBS
  • mhslJhqtVMiv5nX6PCrzDpnqSu6bJe8yHlEbKES7fc5tEIXDsW7+ZCUVmyaaD0y4XUoyMVvHDhZ3loMghMnRHw==
  • e2ma-verification=jx8eb
  • google-site-verification=k_jPsI9D45pTDC_LtIgkKuA1Qec5ypiThuAm1f8aKNg
  • SPFv=spf1 mx include:spf.protection.outlook.com include:_spf-int01.csuchico.edu include:_spf-ext01.csuchico.edu include:_spf-ext02.csuchico.edu include:_spf-ext03.csuchico.edu -all
  • google-site-verification=MgoylzGs0XdXDZQlVbulixm2GGCdOctPxVfTAn0iQg0
  • onetrust-domain-verification=dd02d08b6c5f4325867f8c2e64ef0059
  • e2ma-verification=4ebfb
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