upr.edu
Observed 2026-06-12T20:01:43.636Z (16h ago). Every field below was attested with an Ed25519 signature at scan time.
Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
ff6d885a-a041-4709-a0a4-1c337ced4cbe- Output Hash
c5a7d54cc5570048168efab7553703be9e589e50c4aa862ec48f9bf46860315a- Signature
ed25519:69daeaa4dcf3ee5e7e17825dd1601a83e0a4d758567bb8b2329cba714bdc851b2c8ff0751533d2726a5a849817931c62f872a3de6727eb6fbada58933b6b850a- Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da- Parent
(genesis)- Plane
- fast
DNS Records
A 1
136.145.11.224
AAAA 1
2607:2000:0:11::224
MX 1
{"priority":0,"exchange":"upr-edu.mail.protection.outlook.com"}
TXT 7
MS=ms31512335v=spf1 ip4:136.145.1.15 ip4:136.145.1.222 ip4:136.145.5.5 ip4:136.145.7.15 ip4:136.145.11.74 ip4:136.145.11.119 ip4:136.145.18.63 ip4:136.145.18.70 ip4:136.145.19.32 ip4:136.145.22.154 ip4:136.145.30.40 ip4:136.145.30.57 ip4:136.145.30.67 ip4:136.145.30.72 ip4:136.145.50.41 ip4:136.145.54.75 ip4:136.145.70.5 ip4:136.145.70.63 ip4:136.145.70.75 ip4:136.145.90.212 ip4:136.145.92.50 ip4:136.145.126.204 ip4:136.145.211.13 ip4:136.145.211.16 ip4:136.145.218.97 ip4:136.145.218.98 ip4:136.145.219.77 ip4:136.145.244.34 ip4:136.145.252.137 ip4:165.193.85.48 ip4:165.193.85.49 ip6:2a01:111::/32 ip6:2603:10b6::/32 include:amazonses.com include:spf.protection.outlook.com include:rp.oracleemaildelivery.com include:_spf.google.com -allgoogle-site-verification=YcmfW1RR5OaTgxtnaCbEcTrO2uPywLZeyhtJAw6I2v0apple-domain-verification=3gUnkN7Uz8Cysjb4_cywo8hayit5rry0a4oixpoe83klsjtsv=DMARC1; p=reject; rua=mailto:cartero@upr.edu; ruf=mailto:cartero@upr.edu; aspf=r; pct=100; rf=afrf; ri=86400; sp=nonev=DKIM1; (detected)
NS 3
ns3.upr.eduupr1.upr.eduns2.upr.edu
SOA 1
{"mname":"upr1.upr.edu","rname":"felix\\.ramos.upr.edu","serial":2026060901}
TLS Certificates (0)
None.