CONTINUOUS INTERNET TELEMETRY24H DRIFT109 material changesacross 76 domains · -1,527 vs yesterdayNOW3,480 curated domains not answering-10,943 vs yesterdayERRORS8,522 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,333 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT109 material changesacross 76 domains · -1,527 vs yesterdayNOW3,480 curated domains not answering-10,943 vs yesterdayERRORS8,522 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,333 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT109 material changesacross 76 domains · -1,527 vs yesterdayNOW3,480 curated domains not answering-10,943 vs yesterdayERRORS8,522 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,333 throttled or blocked our scanner429 rate-limit / 403 bot-block

pdc.edu

Observed 2026-07-14T22:24:07.566Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byMicrosoft 365
6 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat pdc.edu actually stands on - every host below is a signed observation
pdc.edu
A / AAAA
164.106.55.10
Cloudflareserves the site
NS
ns2.vccs.eduns1.vccs.edu
vccs.eduanswers its DNS
MX
pdc-edu.mail.protection.outlook.com
Microsoft 365receives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time878 ms
DNS resolutionNOERROR

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

DNS Records

A 1

  • 164.106.55.10

MX 1

  • 0pdc-edu.mail.protection.outlook.com

TXT 4

  • MS=ms53992054
  • v=spf1 ip4:164.106.100.35 ip4:216.17.93.137/32 ip4:216.17.93.138/32 include:spf.protection.outlook.com -all
  • apple-domain-verification=d7uXgRKES7SxZUQn
  • v=DMARC1; p=reject; rua=mailto:buryvooi@ag.dmarcian.com; ruf=mailto:buryvooi@fr.dmarcian.com;

NS 2

  • ns2.vccs.edu
  • ns1.vccs.edu

SOA 1

  • ns1.vccs.edu dlist_its_nss.vccs.edu

TLS Certificates (0)

None.

Subdomains (6)

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

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

Ed25519 Receipt

Receipt ID
a88a2b7d-b735-4deb-a636-e8ae95928107
Output Hash
48862e82a0a52555d2173216c9464b9c9a8167d7b47d0de2e125d04cd674bc30
Signature
ed25519:d991f9327c73cbd4cd962a7cff7437944271399bd7be26d9b3b7331eddc3de56abc67960427b0de3f89a8b36d647e08598d6bc1f8b4c0a648e2f5e94ebedfc08
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser