Domain Overview
DNS: ✓ 5h ago
Checker: ✓ 5h ago
ustatunja.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-01 11:21:07 UTC · ↺ Refresh
MX Hostnames
- ustatunja-edu-co.mail.protection.outlook.com
MX Priorities
- ustatunja-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 52.207.195.130 ↩ ec2-52-207-195-130.compute-1.amazonaws.com
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
dns3.ustatunja.edu.co it\.tic.ustatunja.edu.co 2026061605 10800 3600 604800 38400
Primary NS (mname)
dns3.ustatunja.edu.co
Admin Email (rname)
it\@tic.ustatunja.edu.co
Serial
2026061605
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
dns2.ustatunja.edu.co
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:123456.spf03.hubspotemail.net include:_spf.embluemail.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- ks9nx532fbfnxvh5mgk55xsclvs6ff38
- MS=ms50396322
- include:24096968.spf01.hubspotemail.net
- sendinblue-code:bc2d7688179fcf731f54414cd0efa8d6
- SPFv=spf1 include:spf.protection.outlook.com include:123456.spf03.hubspotemail.net include:_spf.embluemail.com ~all
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