riopc.edu
Observed Jul 28, 2026, 10:17 UTC (9h 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
Runs onCloudflare
Email byConstant Contact
Secured byLet's Encrypt
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat riopc.edu actually stands on - every host below is a signed observation
riopc.edu
A / AAAA
141.193.213.11141.193.213.10
Cloudflareserves the site
NS
ns4.dnsmadeeasy.comns3.dnsmadeeasy.comns1.dnsmadeeasy.comns2.dnsmadeeasy.com+1 more
dnsmadeeasy.comanswers its DNS
MX
d236335a.ess.barracudanetworks.comd236335b.ess.barracudanetworks.com
Constant Contactreceives its email
TLS
riopc.edu
Let's Encryptissued its certificate
DNS Records
A 2
141.193.213.11141.193.213.10
MX 2
5d236335a.ess.barracudanetworks.com10d236335b.ess.barracudanetworks.com
TXT 6
MS=A48C111B010D592BA3261603E011F5FD5E415834adobe-idp-site-verification=b880a6588864f3f303d3ab1dbdb6a5a1085669b95a99c8b2f88dec593f7b0af6v=spf1 ip4:209.222.82.0/24 mx ?include:spf.ess.barracudanetworks.com include:spf.constantcontact.com -allMS=ms16443157cisco-ci-domain-verification=6513a113a3edb0154a5d7afd8ad08774046022e3db1407dabd36c296bba72e2ev=DMARC1; p=quarantine; fo=1; rua=mailto:John.Knight@riopc.edu,mailto:helpdesk@riopc.edu,mailto:rua+riopc.edu@dmarc.barracudanetworks.com; ruf=mailto:John.Knight@riopc.edu,mailto:helpdesk@riopc.edu,mailto:ruf+riopc.edu@dmarc.barracudanetworks.com
NS 5
ns4.dnsmadeeasy.comns3.dnsmadeeasy.comns1.dnsmadeeasy.comns2.dnsmadeeasy.comns0.dnsmadeeasy.com
SOA 1
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
riopc.edu |
C=US, O=Let's Encrypt, CN=YE2 | Wed, 30 Sep 2026 16:54:30 +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 (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_f0265f4458416e41- Output Hash
af8cd0b0b6109fde4742e1a680930ac8416c52fc71b193df2e96dccacc31edc5- Signature
ed25519:69cf759e7d3a725f2a8397212af30d35f522247284aaca40fcc104e4548879ed768d0be7c8611e76565aace8b064802e5c6d208517c6b452cb4be16aadcee00d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast