Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uco.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 11:20:39 UTC · ↺ Refresh
MX Hostnames
- uco-edu-co.mail.protection.outlook.com
MX Priorities
- uco-edu-co.mail.protection.outlook.com: 10
A / AAAA Records
- 172.67.174.60 (no PTR)
- 104.21.30.251 (no PTR)
- 2606:4700:3035::ac43:ae3c
- 2606:4700:3033::6815:1efb
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
collins.ns.cloudflare.com dns.cloudflare.com 2399958995 10000 2400 604800 1800
Primary NS (mname)
collins.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399958995
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
fred.ns.cloudflare.com
collins.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:200.9.158.6 mx a:mail.uco.edu.co include:mh.blackboard.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=s; adkim=s; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
7 records- bed8kc0nrlqh2bkg6310d123im
- brevo-code:b17f9b1f717240ae185aea948192a220
- google-site-verification=oCk9YzPLN4StZLdvbgs0Dqcn7r9XpRykm2X2I9Aut8g
- SPFv=spf1 ip4:200.9.158.6 mx a:mail.uco.edu.co include:mh.blackboard.com include:spf.protection.outlook.com ~all
- EK4seoLY4cdnt3/O+po8dHTbZYtdi7Z5KKnJY9G53zyHWCrWeDlIHJE/Rtp1k+QqPxCEADSYJkwSXqA9XmzCjg==
- MS=ms54078640
- adobe-idp-site-verification=8bb9992904050f874aa98e5d2fbd15be5708d43778d97e8cd756baaad124a204
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