Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
unisabana.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 23:34:42 UTC · ↺ Refresh
MX Hostnames
- unisabana-edu-co.mail.protection.outlook.com
MX Priorities
- unisabana-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 3.231.20.35 ↩ ec2-3-231-20-35.compute-1.amazonaws.com
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
SOA Record
Raw SOA
proxy.unisabana.edu.co root.unisabana.edu.co 2026031301 10800 3600 604800 3600
Primary NS (mname)
proxy.unisabana.edu.co
Admin Email (rname)
root@unisabana.edu.co
Serial
2026031301
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns22.columbus-networks.com
ns20.columbus-networks.com
proxy.unisabana.edu.co
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.qp-mail.com include:spf.masterbase.com include:_netblocks.eloqua.com include:sendgrid.net ip4:174.142.68.133 ip4:192.175.120.199 ip4:192.175.120.204 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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: 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
6 records- adobe-idp-site-verification=dd62e562e234b59ea9060595ceb9fd129280309b964d2ac2d1e235449856694e
- google-site-verification=UlJwQMjWjPlIR_aHAgmVODKFX_0Jz5eMbEWEuFDREsk.
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.qp-mail.com include:spf.masterbase.com include:_netblocks.eloqua.com include:sendgrid.net ip4:174.142.68.133 ip4:192.175.120.199 ip4:192.175.120.204 -all
- cisco-ci-domain-verification=317e5708177f8767c99c6c8e9ba045a22736a4f9204f378b5a7e22047b4001f8
- google-site-verification=Zpl40tkdOkYP75xmnTse3rAhBFEA0ButpScOGwgybOE
- apple-domain-verification=TASEvXCK8B0XJVyx
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