uprrp.edu

Observed Jul 18, 2026, 13:51 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onUniversity of Puerto Rico

Secured byLet's Encrypt

1 subdomain · tranco_40k

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

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

uprrp.edu

A / AAAA

136.145.180.154

University of Puerto Ricoserves the site

addc02.uprrp.campusns2.uprrp.eduns3.uprrp.eduaddc03.uprrp.campus+3 more

uprrp.campus + uprrp.edu + moreanswers its DNS

mgw01.uprrp.edumgw02.uprrp.edu

uprrp.edureceives its email

TLS

uprrp.edu

Let's Encryptissued its certificate

DNS Records

A 1

136.145.180.154

MX 2

10mgw01.uprrp.edu
20mgw02.uprrp.edu

TXT 6

TqEtjNCN
IBc4jlUXykbJC9tGNZA3UoG9mEKR50B6pR8tDV4E++N10wRq9iT4N82mqdFPV+PRk9FMQffjRVmWAeneNXwN6g==
v=spf1 ip4:136.145.180.202 ip4:136.145.180.203 ip4:136.145.180.153 -all
661l7zrrq6656wfcvjq5l9b7dy0bfzy1
MS=ms48064989
v=DMARC1; p=reject; rua=mailto:noc@uprrp.edu

NS 7

addc02.uprrp.campus
ns2.uprrp.edu
ns3.uprrp.edu
addc03.uprrp.campus
upr1.upr.edu
addc01.uprrp.campus
ns1.uprrp.edu

SOA 1

addc01.uprrp.campus hostmaster.uprrp.campus

SRV 3

expresswaye1.uprrp.edu:5060 p0
expresswaye1.uprrp.edu:5061 p0
outlook.uprrp.edu:443 p0

TLS Certificates (2)

Common Name	Issuer	Expires
`uprrp.edu`	C=US, O=Let's Encrypt, CN=R12	Wed, 26 Aug 2026 14:22:17 +0000
`R12`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (1)

www.uprrp.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 uprrp.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: dbf38c8f-10a6-4b65-aa4d-b2349047446f
Output Hash: f66e804cc7b1b216c63fd40e7ef48327b14061b714952a070523d2a3f6ea8816
Signature: ed25519:b6d4e0242eca61ab422b2f6f53550dc2f4c31ff2ce94dbfe0f219938f200d924f0d9cbd7c70220fdd611bc9882d600fb0749bec49f7bb09bb70f19c8c0966609
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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