rkc.edu

Observed Jul 25, 2026, 17:01 UTC (5d 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

Also usesFacebook/MetaGoogle Search Console

1 subdomain · tranco

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

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

rkc.edu

A / AAAA

151.101.129.55151.101.1.55151.101.193.55151.101.65.55

unattributedserves the site

clint.ns.cloudflare.comleah.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.com

Google Workspacereceives its email

TLS

www.rkc.edu

Let's Encryptissued its certificate

DNS Records

A 4

151.101.129.55
151.101.1.55
151.101.193.55
151.101.65.55

MX 2

1aspmx.l.google.com
5alt1.aspmx.l.google.com

TXT 8

facebook-domain-verification=qz36m2sp4a0qkpph2fgkp65w6w6exd
google-site-verification=1GwKCaRJq78UH8N3UXanf6MRjcC_jRCB2Zc_lBkQKBc
google-site-verification=U56q4Y6huZdYt1XLbzaFO3wzvATfEKMv81olIc3ae6Y
google-site-verification=uw0tduePf2CCRQC0HMjK5ycyYardVpjSUR0-NJkeEg0
spf2.0/pra a mx ip4:212.126.163.138 ip4:212.126.163.139 ip4:5.148.187.79 ip4:213.254.165.63 mx:womsend.com include:_spf.google.com include:servers.mcsv.net -all
v=spf1 a mx ip4:212.126.163.138 ip4:212.126.163.139 ip4:5.148.187.79 ip4:213.254.165.63 mx:womsend.com include:_spf.google.com include:servers.mcsv.net -all
v=DMARC1; p=quarantine; rua=mailto:dmarc@college.ch; ruf=mailto:dmarc@college.ch; fo=1;
v=BIMI1; l=https://rkc.edu/bimi-logo.svg; a=https://rkc.edu/cert.pem

NS 2

clint.ns.cloudflare.com
leah.ns.cloudflare.com

SOA 1

clint.ns.cloudflare.com dns.cloudflare.com

CAA 10

issue "comodoca.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "ssl.com"
issuewild "comodoca.com"
issuewild "digicert.com; cansignhttpexchanges=yes"
issuewild "letsencrypt.org"
issuewild "pki.goog; cansignhttpexchanges=yes"
issuewild "ssl.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`www.rkc.edu`	C=US, O=Let's Encrypt, CN=YR2	Tue, 22 Sep 2026 20:33:18 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_660ed5cf2b594422
Output Hash: d94d8421f43591e376c20bdd58c251065ed93ad76cc84f1182fa0bb2d5581844
Signature: ed25519:b931a1273ab0c61c430b83443e7e91d8d45864eeee7dce093e502b2161740a59b52f234c606816afbf87bf89b5ac985113a1bf089344eb1499ac7028e67bea08
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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