rccc.edu
Observed Aug 11, 2026, 05:58 UTC (12h 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.
Guarded by a firewall
Email byMicrosoft 365
Secured byAmazon
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rccc.edu actually stands on - every host below is a signed observation
rccc.edu
A / AAAA
13.248.251.699.83.132.153
unattributedserves the site
NS
ns-01.mcnc.orgns-02.mcnc.org
mcnc.organswers its DNS
MX
rccc-edu.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.rccc.edu
Amazonissued its certificate
DNS Records
A 2
13.248.251.699.83.132.153
MX 1
0rccc-edu.mail.protection.outlook.com
TXT 5
apple-domain-verification=oiex2pn0lXaka0eZv=spf1 ip4:198.85.212.55 ip4:198.21.1.32 ip4:207.200.20.66 ip4:74.122.104.0/22 ip4:66.57.143.24 ip4:204.116.166.143 ip4:198.187.196.0/24 include:mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com include:mh.blackboard.com ~allapple-domain-verification=4RsccQUciFS8oC3wapple-domain-verification=E6m3bCSLwCivfVynadobe-idp-site-verification=5ed82ef8daaac550b2f76bf6b62da105f2c3026553995e4c50fad76f2445d47f
NS 2
ns-01.mcnc.orgns-02.mcnc.org
SOA 1
ns-01.mcnc.org hostmaster.ncren.net
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:dmarcaggregatereports@rccc.edu; ruf=mailto:dmarcforensicreports@rccc.edu; fo=1;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.rccc.edu |
C=US, O=Amazon, CN=Amazon RSA 2048 M01 | Mon, 04 Jan 2027 23:59:59 +0000 |
Amazon RSA 2048 M01 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:21:28 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +0000 |
Subdomains (1)
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_120ea242190900bf- Output Hash
6103b6741370a9734bc63cfe0e218b739efc7ab6d519b2174ec6017379c5908e- Signature
ed25519:dadeec43bbb589c57a837018e2c5d34bd263ce96df964518c7dc4f50b82f6b3ed0d23846d0f14e4d77bbaa7afbaf8818976a4789319125d1bd2c153b605ef008- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast