Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cofc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:29:23 UTC · ↺ Refresh
MX Hostnames
- cofc-edu.mail.protection.outlook.com
MX Priorities
- cofc-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 45.56.113.205 ↩ li931-205.members.linode.com
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-502.awsdns-62.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-502.awsdns-62.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1531.awsdns-63.org
ns-1552.awsdns-02.co.uk
ns-502.awsdns-62.com
ns-614.awsdns-12.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=cofc.edu.hosted.spf-report.com
📊 DNS lookups: 1/10
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
11 records- e2ma-verification=w8qeb
- g6tq72te158ok5pt0dkbb41d52
- google-site-verification=Tk8JFSxHbwIa1PE3_7-QM8bHkHH45_w-wofSP1izmyg
- sending_domain814113=64e782e8922d13ccbd8abf6a7eacfc64dee52d2c1efceb73045d69aba889813b
- sending_domain814123=dea55aa40c154a06def93cf2004ffe07313172aa902cf00da80d878c882b1fd1
- sophos-domain-verification=3bb4afea47b71c8c277c38f7891c7dcaacb767524b83c7784f64ceaa5efc37d4
- SPFv=spf1 redirect=cofc.edu.hosted.spf-report.com
- airtable-verification=5a580563dd5dd00679d4f434215acf28
- asv=43dfd42a18ecf739106f9965719f19be
- asv=d2a0e267bd1c2a692a779e1043afbad3
- atlassian-domain-verification=aV7s/2jOK1C9PcdJmsDrV9hWrdsoII5CM6ideaOfINw/hXVys/aNG0YlCSsAiisv
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