Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clemson.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 18:45:32 UTC · ↺ Refresh
MX Hostnames
- clemson-edu.mail.protection.outlook.com
MX Priorities
- clemson-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 130.127.204.30 ↩ www.clemson.edu
- 2620:103:a004:36::30 ↩ www.clemson.edu
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
extns1.clemson.edu hostmaster.clemson.edu 2026031801 3600 900 1209600 5400
Primary NS (mname)
extns1.clemson.edu
Admin Email (rname)
hostmaster@clemson.edu
Serial
2026031801
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
5400s
Nameservers (NS)
extns2.clemson.edu
extns3.clemson.edu
extns1.clemson.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:130.127.0.0/16 ip4:192.5.219.0/24 include:spf.protection.outlook.com include:spf0.clemson.edu ip4:198.187.196.100 ip4:198.187.196.130 include:%{ir}.%{v}.cu.spf.clemson.edu ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 6 found
selector1._domainkey
selector2._domainkey
default._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- QNrJWkzdvejgfzMzXds5YBtpMDvIL3F2QhYsouk29NlyEhktTx9bCOXH+XEw9Up/is+8f5GwF/1Hzg3Lb354dg==
- solarwinds-service0desk-verification=b056c9b8349a500fe2df91069fe1a44e
- SPFv=spf1 ip4:130.127.0.0/16 ip4:192.5.219.0/24 include:spf.protection.outlook.com include:spf0.clemson.edu ip4:198.187.196.100 ip4:198.187.196.130 include:%{ir}.%{v}.cu.spf.clemson.edu ~all
- adobe-idp-site-verification=13f1cc18-6ae6-4077-9a4f-d1f20a727eb0
- sprout-social-9ee7082b-db69-4d0c-aeec-0693dfe470d9
- 873688d59ffa4e0c1fafabdf048935b8.clemson.edu
- 2a21cb707665c2ed4a7df0127f749f11b7612a771152a395dc0704bc6ada709e
- 3YKAXO3FY2KWCQAIKRNQ3BWCNQH9QYJSW5MWNYYQJ
- e2ma-verification=9mveb
- ibmid=e4156f6a-b08e-4838-bbb9-41c0c9125815
- smartsheet-site-validation=nsTXLGIWKjChPpP3umKKPI0Tol_ErOlE
- status-page-domain-verification=dcgz9nd14fg4
- openai-domain-verification=dv-4xC89x3xLbn8GlbLV4Xr5J57
- google-site-verification=8QBFHdecJLrDer2g8wB5tHpA9NWYSsg5byDquqZR0IE
- apple-domain-verification=JavcMPNMoxgzUjfi
- MS=ms25870385
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