rfcuny.org

Observed Jul 28, 2026, 09:45 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byMicrosoft 365

Secured byGoDaddy.com

majestic

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

INFRASTRUCTURE MAPwhat rfcuny.org actually stands on - every host below is a signed observation

rfcuny.org

A / AAAA

128.228.133.7

unattributedserves the site

ns-1199.awsdns-21.orgns-1831.awsdns-36.co.ukns-91.awsdns-11.comns-948.awsdns-54.net

awsdns-21.org + awsdns-36.co.uk + moreanswers its DNS

rfcuny-org.mail.protection.outlook.com

Microsoft 365receives its email

TLS

*.rfcuny.org

GoDaddy.comissued its certificate

DNS Records

A 1

128.228.133.7

MX 1

0rfcuny-org.mail.protection.outlook.com

TXT 3

haj7e77ivldgdlpbu6tnid11dd
v=spf1 include:spf.protection.outlook.com a:mailhost.rfcuny.org a:exch.rfcuny.org a:rfess.rfcuny.org ip4:72.55.140.81 ip4:128.228.133.40 -all
v=DMARC1; p=quarantine; rua=mailto:dmarc@rfcuny.org; ruf=mailto:dmarc@rfcuny.org; sp=quarantine; fo=1;

NS 4

ns-1199.awsdns-21.org
ns-1831.awsdns-36.co.uk
ns-91.awsdns-11.com
ns-948.awsdns-54.net

SOA 1

ns-948.awsdns-54.net administrator.rfcuny.org

TLS Certificates (3)

Common Name	Issuer	Expires
`*.rfcuny.org`	C=US, ST=Arizona, L=Scottsdale, O=GoDaddy.com, Inc., 2.5.4.11=http://certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2	Sat, 23 Jan 2027 20:28:49 +0000
`Go Daddy Secure Certificate Authority - G2`	C=US, ST=Arizona, L=Scottsdale, O=GoDaddy.com, Inc., CN=Go Daddy Root Certificate Authority - G2	Sat, 03 May 2031 07:00:00 +0000
`Go Daddy Root Certificate Authority - G2`	C=US, O=The Go Daddy Group, Inc., 2.5.4.11=Go Daddy Class 2 Certification Authority	Fri, 30 May 2031 07:00:00 +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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for rfcuny.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_99bdb03c1ac6d9c4
Output Hash: d7c82f4d497e967282fa70084798654dea838a1faab13259d4f6bed3fa73379d
Signature: ed25519:031c94426217f18cf5cdcffe5f46adc62aeee21d7e42b809f79addac5de028eaec6560c33a95a2e58252ec4c3a8861099585bd9cdcf3607874bb4eb5526fca0c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/rfcuny.org