uprc.edu

Observed Jul 26, 2026, 08:53 UTC (7d 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.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

IPv6 · 1 subdomain · majestic

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat uprc.edu actually stands on - every host below is a signed observation

uprc.edu

A / AAAA

136.145.11.2242607:2000:0:11::224

2607serves the site

ns3.uprc.eduns4.uprc.eduns1.uprc.edu

uprc.eduanswers its DNS

mail.uprc.edu

uprc.edureceives its email

TLS

uprc.edu

Let's Encryptissued its certificate

DNS Records

A 1

136.145.11.224

AAAA 1

2607:2000:0:11::224

MX 1

10mail.uprc.edu

TXT 1

v=spf1 a mx ptr all

NS 3

ns3.uprc.edu
ns4.uprc.edu
ns1.uprc.edu

SOA 1

uprc.edu vanessa\.casiano.upr.edu

TLS Certificates (4)

Common Name	Issuer	Expires
`uprc.edu`	C=US, O=Let's Encrypt, CN=YE2	Sun, 13 Sep 2026 04:34:36 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.uprc.edu

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for uprc.edu. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/uprc.edu">
  <img src="https://domaindrift.io/badge/uprc.edu.svg"
       width="300" height="64" alt="DomainDrift signed observations for uprc.edu">
</a>

Ed25519 Receipt

Receipt ID: rcpt_496d6d624a61989c
Output Hash: 81f1ed2aec897b04f2262a95a8840de9fb25f060140916b154641fbe09bdb11b
Signature: ed25519:fdaca4e00971dc5327f961eb6332a9e0474dfc5c91149e6039dbb7d4ef8ce38742cc8440636372da8123949a6844780ac421a14541aa8ef5cd1a423c56a8f608
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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