CONTINUOUS INTERNET TELEMETRY24H DRIFT11,919 material changesacross 9,602 domains · 24h to ~2h agoNOW546 curated domains not reachable+44 vs yesterdaySITE ERRORS35,012 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 154,922 sites429 rate-limit / 403 bot-block, a posture signal

dyu.edu

Observed Jul 29, 2026, 04:21 UTC (13h 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.

Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesZoomGoogle Search Console
IPv6 · 1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dyu.edu actually stands on - every host below is a signed observation
dyu.edu
A / AAAA
23.185.0.12620:12a:8001::12620:12a:8000::1
2620serves the site
NS
kianchau.ns.cloudflare.comkimora.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
dyu-edu.mail.protection.outlook.com
Microsoft 365receives its email
TLS
dyc.edu
Let's Encryptissued its certificate

DNS Records

A 1

  • 23.185.0.1

AAAA 2

  • 2620:12a:8001::1
  • 2620:12a:8000::1

MX 1

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

TXT 5

  • MS=ms99181311
  • ZOOM_verify_9J910hKG7BdfIVaNb8KynO
  • google-site-verification=DJgp8s_npXE0q6-a2wxonuTcuPRqKIBzaAhspaM6xxQ
  • v=spf1 include:spf.protection.outlook.com -all
  • v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

NS 2

  • kianchau.ns.cloudflare.com
  • kimora.ns.cloudflare.com

SOA 1

  • kianchau.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
dyc.edu C=US, O=Let's Encrypt, CN=YR1 Sun, 06 Sep 2026 04:13:22 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID
rcpt_5ff406691ef4d48a
Output Hash
d563ae91271c13f49086d83c2494f12a304662515771f836d35435bf5ef2c913
Signature
ed25519:219ae7a718595b8c77f97206c40a8b5b44883e0f3bf289036594d8a61ad7fb7b27a0d32de0b847ce9b09b47aa0a78d97ec497d3281dc28573243be7b92ab3205
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser