psc.edu

Observed 2026-07-13T11:47:12.776Z (19h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle (SPF sender)

8 subdomains · 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

Cloudflareserves the site

ns4.oar.netns7.oar.netdns1.psc.educharon.psc.edu+2 more

oar.net + psc.eduanswers its DNS

mailer2.psc.edumailer1.psc.edu

Google (SPF sender)receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.psc.edu/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time978 ms

DNS resolutionNOERROR

Redirect chain

https://www.psc.edu/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

44.217.168.139

MX 2

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

TXT 5

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
mt-94806477
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;
v=DKIM1; (detected)
v=DNSSEC1; (detected)

NS 6

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

SOA 1

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

CAA 3

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

TLS Certificates (0)

None.

Subdomains (8)

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: 2c67b683-80db-4c3d-9d4e-30d8767058b3
Output Hash: 899e0f93ec230e30c927b746211050bd9a8a8bb7e8e30149cc2fbe7bef794721
Signature: ed25519:f71acb7788bc808e10d887b1c43fbd5d111d766b6763205214f048f2ece20efd96ca0593ba549fc353c44703003a302256f37a125b71b3b66c8aded6a4ad0404
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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