rsccd.edu

Observed Jul 28, 2026, 01:23 UTC (10h 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 byProofpoint

Secured bySectigo

4 subdomains · tranco

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

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

rsccd.edu

A / AAAA

216.21.13.155

unattributedserves the site

ns-1326.awsdns-37.orgns-1793.awsdns-32.co.ukns-345.awsdns-43.comns-675.awsdns-20.net

awsdns-37.org + awsdns-32.co.uk + moreanswers its DNS

mx0a-0031c602.pphosted.commx0b-0031c602.pphosted.com

Proofpointreceives its email

TLS

www.rsccd.edu

Sectigo Limitedissued its certificate

DNS Records

A 1

216.21.13.155

MX 2

10mx0a-0031c602.pphosted.com
10mx0b-0031c602.pphosted.com

TXT 2

v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 4

ns-1326.awsdns-37.org
ns-1793.awsdns-32.co.uk
ns-345.awsdns-43.com
ns-675.awsdns-20.net

SOA 1

ns-345.awsdns-43.com awsdns-hostmaster.amazon.com

TLS Certificates (4)

Common Name	Issuer	Expires
`www.rsccd.edu`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36	Fri, 30 Oct 2026 23:59:59 +0000
`Sectigo Public Server Authentication CA DV R36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Fri, 21 Mar 2036 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000
`USERTrust RSA Certification Authority`	C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services	Sun, 31 Dec 2028 23:59:59 +0000

Subdomains (4)

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

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

Ed25519 Receipt

Receipt ID: rcpt_54062cb4ddf401d7
Output Hash: 0b485f683904c69dff81645ba28de3770c1c4619a1c28e0edbb805a6f21ed7b7
Signature: ed25519:a387c1a17080c326aef14988296b6da79356c018cd144e3aa137d2c55aa2f5719eac4d0b2858c48a03904dffb6e01b32c497520d839b1f8ebc5e135e76907207
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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