uo.edu.cu
Observed Aug 2, 2026, 14:25 UTC (9h 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
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uo.edu.cu actually stands on - every host below is a signed observation
uo.edu.cu
A / AAAA
200.55.162.203
unattributedserves the site
NS
proxy1.uo.edu.cumx.uo.edu.cu
edu.cuanswers its DNS
MX
mx2.uo.edu.cumx1.uo.edu.cu
edu.cureceives its email
DNS Records
A 1
200.55.162.203
MX 2
10mx2.uo.edu.cu10mx1.uo.edu.cu
TXT 1
v=spf1 mx -all
NS 2
proxy1.uo.edu.cumx.uo.edu.cu
SOA 1
proxy1.uo.edu.cu root.proxy1.uo.edu.cu
DMARC_RECORDS 1
v=DMARC1; p=reject; rua=mailto:admincentral@listas.uo.edu.cu; pct=100; adkim=s; aspf=s
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_ea3a0bb007635943- Output Hash
029e94cd436eedc540ff48c2f2e6484fa618e14de585ac7a8f189e0d563687c2- Signature
ed25519:2bd1db5cbea6d2e6d938e7814c9029b89a0de78f92ea3ead46595670fe9cf7e28e8e353985d3d36123ca55d07ca4ff70abd0a37133c93c0a13c6dcf852f2da05- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast