Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cuc.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 08:24:42 UTC · ↺ Refresh
MX Hostnames
- cuc-edu-co.mail.protection.outlook.com
MX Priorities
- cuc-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 192.249.114.245 ↩ soleil.ab2web.com
Mail Server IPs
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
athena.ns.cloudflare.com dns.cloudflare.com 2400037998 10000 2400 604800 1800
Primary NS (mname)
athena.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400037998
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
luke.ns.cloudflare.com
athena.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 ip4:20.201.64.185 ip4:20.201.64.186 ip4:35.174.145.124 ip4:170.82.40.81/32 include:spf.protection.outlook.com include:1b1pvxcwn.spf.checkpoint-spf.com include:aspmx.pardot.com include:_spf-dc19.sapsf.com include:_spf.salesforce.com include:sendgrid.net include:cust-spf.exacttarget.com include:bounce.cuc.edu.co ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; sp=none; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- SPFv=spf1 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 ip4:20.201.64.185 ip4:20.201.64.186 ip4:35.174.145.124 ip4:170.82.40.81/32 include:spf.protection.outlook.com include:1b1pvxcwn.spf.checkpoint-spf.com include:aspmx.pardot.com include:_spf-dc19.sapsf.com include:_spf.salesforce.com include:sendgrid.net include:cust-spf.exacttarget.com include:bounce.cuc.edu.co ~all
- Sendinblue-code:a9d419d9c33b0e7d1f2114b563d81df6
- adobe-idp-site-verification=3425e3b5885183423315f68474f74045cb69606e4bc86559b5ba6dd26ff93a29
- google-site-verification=dQFWLSfLC0om77xRlY3w4ONHSTve3d9BrLNkZpcumC4
- have-i-been-pwned-verification=4d33efed99b837ede3f7c11fbf72b5a7
- lqalve9sj63pcuspuhpfsvqsro
- pardot593461=7fb421ffceb9495ebd33a0a995fff8da4c09fbc32c08d9953aea173b7c44c5ca
- phoktiqcccqnd6aofsq741s4cq
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