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=ms53992054v=spf1 ip4:164.106.100.35 ip4:216.17.93.137/32 ip4:216.17.93.138/32 include:spf.protection.outlook.com -allapple-domain-verification=d7uXgRKES7SxZUQnv=DMARC1; p=reject; rua=mailto:buryvooi@ag.dmarcian.com; ruf=mailto:buryvooi@fr.dmarcian.com;
NS 2
ns2.vccs.eduns1.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 receiptEd25519 Receipt
- Receipt ID
a88a2b7d-b735-4deb-a636-e8ae95928107- Output Hash
48862e82a0a52555d2173216c9464b9c9a8167d7b47d0de2e125d04cd674bc30- Signature
ed25519:d991f9327c73cbd4cd962a7cff7437944271399bd7be26d9b3b7331eddc3de56abc67960427b0de3f89a8b36d647e08598d6bc1f8b4c0a648e2f5e94ebedfc08- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast