duke.com
Observed 2026-07-12T18:22:38.140Z (14h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onCloudflare
Email byGoogle Workspace
Registered withNetwork Solutions, LLC
Also usesGoogle Search Console
energy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duke.com actually stands on - every host below is a signed observation
duke.com
A / AAAA
208.91.197.27
Cloudflareserves the site
NS
ns40.worldnic.comns39.worldnic.com
worldnic.comanswers its DNS
MX
aspmx3.googlemail.comaspmx.l.google.comalt1.aspmx.l.google.comaspmx2.googlemail.com+1 more
Google Workspacereceives its email
HTTPS probe
server_error
Server error (5xx) 502 Server Error
HTTP status502
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time153 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
208.91.197.27
MX 5
10aspmx3.googlemail.com1aspmx.l.google.com5alt1.aspmx.l.google.com10aspmx2.googlemail.com5alt2.aspmx.l.google.com
TXT 1
google-site-verification=I1jxDCoDX_9rDulmHkI-LIg0gvxqrDbuZOYda6PmHrA
NS 2
ns40.worldnic.comns39.worldnic.com
SOA 1
NS39.WORLDNIC.com namehost.WORLDNIC.com
TLS Certificates (0)
None.
Subdomains (96)
- accounts.duke.com
- admin.duke.com
- api.duke.com
- app.duke.com
- assets.duke.com
- auth.duke.com
- beta.duke.com
- billing.duke.com
- blog.duke.com
- build.duke.com
- cache.duke.com
- canary.duke.com
- cashew.dns.duke.com
- cashew.duke.com
- cdn.duke.com
- checkout.duke.com
- ci.duke.com
- connect.duke.com
- connor.dns.duke.com
- connor.duke.com
- console.duke.com
- dashboard.duke.com
- db.duke.com
- demo.duke.com
- dev.duke.com
- dns.duke.com
- docs.duke.com
- edge.duke.com
- explorer.dns.duke.com
- explorer.duke.com
- faq.duke.com
- gateway.duke.com
- git.duke.com
- gitlab.duke.com
- grafana.duke.com
- graphql.duke.com
- grpc.duke.com
- health.duke.com
- help.duke.com
- id.duke.com
- images.duke.com
- imap.duke.com
- img.duke.com
- ingest.dns.duke.com
- jenkins.duke.com
- kb.duke.com
- login.duke.com
- m.duke.com
- mail.duke.com
- media.duke.com
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
bc34dec0-fdc6-4fb2-b3f4-5b693ef9ef84- Output Hash
ad422169353f9df655b68c2099097dc78d66fcc8d30c20c13b312d4e312020b3- Signature
ed25519:06cb7876936b8be6a01d3b12b94d13c331f468624625ab1778a5165a2113082a71748edf5a8a73081d9892d524e8fef124843308bfe06710d2f875bac185c607- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast