upra.edu
Observed Aug 2, 2026, 08:44 UTC (22h 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.
Up right now
Email byGoogle (SPF sender)
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upra.edu actually stands on - every host below is a signed observation
upra.edu
A / AAAA
136.145.24.47
unattributedserves the site
NS
ns1a.upra.eduns1vm.upra.eduns3.upra.edu
upra.eduanswers its DNS
MX
svrupramx.upra.eduupramail.upra.edu
Google (SPF sender)receives its email
TLS
*.upra.edu
Let's Encryptissued its certificate
DNS Records
A 1
136.145.24.47
MX 2
1svrupramx.upra.edu1upramail.upra.edu
TXT 3
adobe-idp-site-verification=b19c44663d487adf93d0c19c0fc0eadd1498e7183ee781963fa95b1ee9f462b7v=spf1 ip4:136.145.24.10 ip4:136.145.24.19 ip4:136.145.24.11 ip4:136.145.24.12 ip4:136.145.24.22 ip4:136.145.24.16 ip4:136.145.24.30 ip4:136.145.24.47 ip4:136.145.24.44 include:_spf.google.com include:spf.protection.outlook.com ~allgoogle-site-verification=A5jUbtAjnG5DL_IeWpOQ1e_9K1wYSmciA94T3cM3Y8Y
NS 3
ns1a.upra.eduns1vm.upra.eduns3.upra.edu
SOA 1
ns1vm.upra.edu apoyocti\.arecibo.upr.edu
DMARC_RECORDS 1
v=DMARC1; p=reject; pct=100; ruf=mailto:apoyo.arecibo@upra.edu; rua=mailto:apoyo.arecibo@upra.edu; aspf=r
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.upra.edu |
C=US, O=Let's Encrypt, CN=YR2 | Wed, 23 Sep 2026 14:59:05 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
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_d52252120e76ba68- Output Hash
18343ae3e00c4f3e244e9aa60a75e325a5d0d840050552425aeabf1df8e022f1- Signature
ed25519:9142de719a87b9fde12492a65a91703c880eb77933fa0aabc76e1bf5151e1ef28004f214df21b5a8d1ca10bced9a2c0ff9b560dd3a3068dd97da584b7eeb8d04- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast