Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ucn.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 02:40:09 UTC · ↺ Refresh
MX Hostnames
- ucn-edu-co.mail.protection.outlook.com
MX Priorities
- ucn-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 82.25.89.252 (no PTR)
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1439.awsdns-51.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1439.awsdns-51.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-597.awsdns-10.net
ns-1439.awsdns-51.org
ns-1822.awsdns-35.co.uk
ns-339.awsdns-42.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:205.251.243.46/32 ip4:18.185.223.100 include:spf.protection.outlook.com Include:mktomail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- DKIMv=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8ASgrWqMx/9pzwDiOJDxw1BPo6xHm5iCnhKNSAlT1dcn1GUY9LNCEc57e6FFxAAJuAOVcsJLZ95ZoTtQDxkDSBaaWM0nFBCMb7RVPg8AtZWLMEbZc9apCbflzuT8zzbn+HG5XIZNqXc6mypyKBEBqC1UOuYj4q+G/j5/FQow24QIDAQAB
- SPFv=spf1 mx a ip4:205.251.243.46/32 ip4:18.185.223.100 include:spf.protection.outlook.com Include:mktomail.com -all
- apple-domain-verification=QNskdipVPKTGFSyr
- facebook-domain-verification=5r7d50jhplosnlssgr94jxwr9tdpak
- google-site-verification=ggjlpignl-6JiTdafRQM3asUUhkpZeWpLArB0gQLEkA
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