uprh.edu

Observed Jul 27, 2026, 10:10 UTC (6d 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

Email byGoogle Workspace

Secured byLet's Encrypt

IPv6 · 1 subdomain · tranco

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

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

uprh.edu

A / AAAA

136.145.11.2242607:2000:0:11::224

2607serves the site

ns3.uprh.eduns4.uprh.edu

uprh.eduanswers its DNS

ASPMX5.GOOGLEMAIL.COMALT2.ASPMX.L.GOOGLE.COMASPMX4.GOOGLEMAIL.COMupr-edu.mail.protection.outlook.COM+4 more

Google Workspacereceives its email

TLS

uprh.edu

Let's Encryptissued its certificate

DNS Records

A 1

136.145.11.224

AAAA 1

2607:2000:0:11::224

MX 8

30ASPMX5.GOOGLEMAIL.COM
20ALT2.ASPMX.L.GOOGLE.COM
30ASPMX4.GOOGLEMAIL.COM
5upr-edu.mail.protection.outlook.COM
20ALT1.ASPMX.L.GOOGLE.COM
30ASPMX2.GOOGLEMAIL.COM
30ASPMX3.GOOGLEMAIL.COM
10ASPMX.L.GOOGLE.COM

TXT 3

_bc4urzs3ma4rcustfwcoau5arfkq79y
v=spf1 ip4:136.145.50.41 ip4:136.145.50.72 include:_spf.google.com include:amazonses.com include:spf.protection.outlook.com -all
v=DMARC1; p=reject; pct=100; ruf=mailto:smtp.uprh@upr.edu; rua=mailto:smtp.uprh@upr.edu; aspf=r

NS 2

ns3.uprh.edu
ns4.uprh.edu

SOA 1

ns3.uprh.edu raymond\.ramirez.upr.edu

TLS Certificates (4)

Common Name	Issuer	Expires
`uprh.edu`	C=US, O=Let's Encrypt, CN=YE2	Sun, 13 Sep 2026 04:34:44 +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.uprh.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 uprh.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_c58e4f65d9e1daf1
Output Hash: 77f55130bb69935123de067cc122dd1a080682f6cc264befad339c433d5ddb78
Signature: ed25519:f234237d183dc658e343a02c999d0c3298f9143727c0260587da65d519732ac1ae8848eda84915ec55219c5383452339f95d38ce34dc01f7126621ddf5394400
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/uprh.edu