psc.edu

Observed Jul 22, 2026, 00:57 UTC (19h 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

Runs onAmazon

Email byGoogle (SPF sender)

Secured byInternet2

1 subdomain · tranco_40k

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

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

psc.edu

A / AAAA

44.217.168.139

Amazonserves the site

ns4.oar.netns5.oar.netns6.oar.netns7.oar.net+2 more

oar.net + psc.eduanswers its DNS

mailer1.psc.edumailer2.psc.edu

Google (SPF sender)receives its email

TLS

www.psc.edu

Internet2issued its certificate

DNS Records

A 1

44.217.168.139

MX 2

20mailer1.psc.edu
20mailer2.psc.edu

TXT 3

mt-94806477
v=spf1 mx ip4:128.182.0.0/16 ip4:192.101.139.0/24 ip4:192.231.243.0/24 ip4:192.231.244.0/24 ip4:147.73.193.16/28 ip4:147.73.194.0/24 ip6:2001:5e8:1::/48 ip6:2001:5e8:2::/48 include:_spf.google.com include:e2ma.net include:docebosaas.com ~all
v=DMARC1; p=none; rua=mailto:dmarc-info@psc.edu,mailto:dmarc@t1r424dj.uriports.com; ruf=mailto:dmarc-info@psc.edu,mailto:dmarc@t1r424dj.uriports.com; fo=1;

NS 6

ns4.oar.net
ns5.oar.net
ns6.oar.net
ns7.oar.net
dns1.psc.edu
charon.psc.edu

SOA 1

dns1.psc.edu pscnet-admin.psc.edu

CAA 3

iodef "mailto:caa-info@psc.edu"
issue "sectigo.com"
issuewild ""

TLS Certificates (3)

Common Name	Issuer	Expires
`www.psc.edu`	C=US, O=Internet2, CN=InCommon RSA Server CA 2	Tue, 05 Jan 2027 23:59:59 +0000
`InCommon RSA Server CA 2`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 15 Nov 2032 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 (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_3714fbad24d9dd4f
Output Hash: 39ace9c7595ab29a0ae39bb835b25dd2710ba57266f8feffb7b1767e6326ddcc
Signature: ed25519:57bf1c60a333cc368258addd6281a3356fc5ed5986b120c9d22e97917de72798eca79a639e123881012267d20b020d3de393ee11ae4b72e02039cfc50865b107
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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