upn.edu.co
Observed Aug 3, 2026, 03:41 UTC (6h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Not responding
Email byMicrosoft 365
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upn.edu.co actually stands on - every host below is a signed observation
upn.edu.co
A / AAAA
200.119.126.19
unattributedserves the site
NS
ns2-auth.etb.net.cons1-auth.etb.net.co
net.coanswers its DNS
MX
upn-edu-co.mail.protection.outlook.com
Microsoft 365receives its email
DNS Records
A 1
200.119.126.19
MX 1
10upn-edu-co.mail.protection.outlook.com
TXT 3
v=msv1 t=b45bfe62d3fc4b84181e7506214c1av=spf1 include:spf.protection.outlook.com ip4:200.119.126.85 -allv=spf1 include:spf.protection.outlook.com -all
NS 2
ns2-auth.etb.net.cons1-auth.etb.net.co
SOA 1
ns1-auth.etb.net.co postmaster.etb.net.co
DMARC_RECORDS 1
v=DMARC1; p=none; sp=none; pct=100
TLS Certificates (0)
None.
Subdomains (0)
None observed.
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_718c6504f47a0b4e- Output Hash
1c778a1edb4d55528b15184144e2d7b072fd1837d0e3ef0927b77557b641c474- Signature
ed25519:8c1bb3864de64d5c54e6bfb4a118260d5581bff21684761e062725a8ec11e07d31eae3dc3ca1917b1cf644f1d087402c6e94cbe66df191dc38d3fdf29faf9007- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast