Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trincoll.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:34:06 UTC · ↺ Refresh
MX Hostnames
- trincoll-edu.mail.protection.outlook.com
MX Priorities
- trincoll-edu.mail.protection.outlook.com: 20
A / AAAA Records
- 192.107.134.10 ↩ korak.cc.trincoll.edu
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ib3.cc.trincoll.edu postmaster.trincoll.edu 2008072904 1200 300 2419200 600
Primary NS (mname)
ib3.cc.trincoll.edu
Admin Email (rname)
postmaster@trincoll.edu
Serial
2008072904
Refresh
1200s
Retry
300s
Expire
2419200s
Minimum TTL
600s
Nameservers (NS)
ns1.cen.ct.gov
ib4.cc.trincoll.edu
ns2.cen.ct.gov
ib3.cc.trincoll.edu
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.107.134.0/26 ip4:192.31.112.10 ip4:34.194.230.233 ip4:34.230.107.215 include:spf.protection.outlook.com include:_spf.unimarket.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]; adkim=r; aspf=r; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
6 records- MS=ms99927757
- ZOOM_verify_EPy14BMqQXuxFKk-yLUgkQ
- apple-domain-verification=I4rZjJcgnfaJDyMp
- google-site-verification=NsT2JkNkyBTg29UtyT32FWAWDYIPL7xbX7qwUKGK584
- zh19i7A7tnx8X5TVf7FPkMx5Gp7EgA0apH4EQoZhCxRSX6B0HIlUsmAOH20zBnKerQvr6DsVJ2DcPE8vx4e1Og==
- SPFv=spf1 ip4:192.107.134.0/26 ip4:192.31.112.10 ip4:34.194.230.233 ip4:34.230.107.215 include:spf.protection.outlook.com include:_spf.unimarket.com -all
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