Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
upb.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 05:55:38 UTC · ↺ Refresh
MX Hostnames
- upb-edu-co.mail.protection.outlook.com
MX Priorities
- upb-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 200.3.145.32 ↩ u145-32.upb.edu.co
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.upb.edu.co webmaster.upb.edu.co 2026031214 14400 3600 1209600 3600
Primary NS (mname)
ns01.upb.edu.co
Admin Email (rname)
webmaster@upb.edu.co
Serial
2026031214
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns01.upb.edu.co
ns04.upb.edu.co
ns03.upb.edu.co
SPF Record
✓ Strict (-all)
v=spf1 ip4:200.3.144.47/32 ip4:200.3.144.54/32 ip4:200.3.144.55/32 ip4:200.3.145.10/32 ip4:200.3.145.226/32 include:spf.protection.outlook.com include:_spf-moon-ray.ontramail.com include:_spf-ontramail.ontramail.com include:_spf.getresponse.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
13 records- cisco-ci-domain-verification=489315b600779a3b169c312245dbcdcddab9b84755c465b1b56852a5a8434fd6
- 7f7gu9ifj9ramrjhp8onn796qm
- hie7j2rrmp3pv5e2r896vid2s2
- shbil7jmpbli3ag4s6men3jrvg
- google-site-verification=7azYO-ufhgW0OJw-k3hWoppm6GRPCIaepD6b0OGlZ-Q
- 8jorinfg7rfs3laj56emp95j7p
- SPFv=spf1 ip4:200.3.144.47/32 ip4:200.3.144.54/32 ip4:200.3.144.55/32 ip4:200.3.145.10/32 ip4:200.3.145.226/32 include:spf.protection.outlook.com include:_spf-moon-ray.ontramail.com include:_spf-ontramail.ontramail.com include:_spf.getresponse.com -all
- openai-domain-verification=dv-UkFO28LF3mICneIfl6aIBRVd
- google-site-verification=nMQQTYwYPvouPt4r3fRUorCxr4ntbZEeewtfA31_RRg
- brevo-code:5b15b716f419039c1d521ba9a5f77c4d
- cisco-ci-domain-verification=3b771a5379325b4bbb6281e3f1d73ab8876f8be710e02db9f2c76f8922bd617
- have-i-been-pwned-verification=2024b37092f6e66f6ecf0ad3de0fbf69
- 1ba83m9dpk40652epr3ksgo90q
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for upb.edu.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits