psu.com

Observed 2026-07-12T14:23:19.837Z (19h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle (SPF sender)

Also usesGoogle Search Console

96 subdomains · tranco_40k

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

INFRASTRUCTURE MAPwhat psu.com actually stands on - every host below is a signed observation

psu.com

A / AAAA

172.67.178.204104.21.48.52

Cloudflareserves the site

fred.ns.cloudflare.comnina.ns.cloudflare.com

cloudflare.comanswers its DNS

_dc-mx.d02c22f5676a.psu.com

Google (SPF sender)receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.psu.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time380 ms

DNS resolutionNOERROR

Redirect chain

https://www.psu.com/

MCP This domain advertises an AI service endpoint at _mcp._tcp.

google-site-verification=rZcqSVmLZ4dKgHMl3638i_Mr5eqF6yy7y9-ukb9m_W8 v=spf1 +ip4:75.98.175.80 +include:spf.a2hosting.com +include:_spf.google.com +include:mailgun.org ~all

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

DNS Records

A 2

172.67.178.204
104.21.48.52

MX 1

0_dc-mx.d02c22f5676a.psu.com

TXT 7

v=spf1 +ip4:75.98.175.80 +include:spf.a2hosting.com +include:_spf.google.com +include:mailgun.org ~all
google-site-verification=rZcqSVmLZ4dKgHMl3638i_Mr5eqF6yy7y9-ukb9m_W8
google-site-verification=rZcqSVmLZ4dKgHMl3638i_Mr5eqF6yy7y9-ukb9m_W8
v=spf1 +ip4:75.98.175.80 +include:spf.a2hosting.com +include:_spf.google.com +include:mailgun.org ~all
v=DKIM1; (detected)
google-site-verification=rZcqSVmLZ4dKgHMl3638i_Mr5eqF6yy7y9-ukb9m_W8
v=spf1 +ip4:75.98.175.80 +include:spf.a2hosting.com +include:_spf.google.com +include:mailgun.org ~all

NS 2

fred.ns.cloudflare.com
nina.ns.cloudflare.com

SOA 1

fred.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (96)

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 psu.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: bb878b5e-6af6-4ce4-9db3-960ec79be0be
Output Hash: 5b8137cd968f7e755452c7a052be71c54e4527ce74128b49fca429b288bd1d3c
Signature: ed25519:db7002e7994f6468d41a17aefa38aec99b9b579fd70e2667c2550dc5da60f690da8839c1d16ccff28d4fc98bd7ce5aa0765561e0ed5d00045dbd7519aab5e906
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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