CONTINUOUS INTERNET TELEMETRY24H DRIFT2,012 material changesacross 1,801 domains · -539 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,383 curated domains not answeringlast probe, steadyERRORS10,894 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,012 material changesacross 1,801 domains · -539 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,383 curated domains not answeringlast probe, steadyERRORS10,894 responded with an errorlast probe · 5xx / 404 / 429 / 403

ciena.com

Observed 2026-07-14T03:15:36.380Z (1h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall
Runs onCloudflare
Email byProofpoint
Registered withCSC Corporate Domains, Inc.
Also usesAtlassianMiro1PasswordDockerFacebook/MetaGoogle Search ConsoleDocuSign
11 subdomains · telecom
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ciena.com actually stands on - every host below is a signed observation
ciena.com
A / AAAA
43.245.41.13
Cloudflareserves the site
NS
cfns2.cienans.comcfns1.cienans.com
cienans.comanswers its DNS
MX
mxa-00103a01.gslb.pphosted.commxb-00103a01.gslb.pphosted.com
Proofpointreceives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active
HTTP status403
Servercloudflare
TLS protocolHTTP/3
TLS issuernot observed
Behind Cloudflareyes
Response time130 ms
DNS resolutionNOERROR
MCP This domain advertises an AI service endpoint at _mcp._tcp.
docusign=67e6183a-6484-4ff7-ad03-bb94c0c3ee7e

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

DNS Records

A 1

  • 43.245.41.13

MX 2

  • 5mxa-00103a01.gslb.pphosted.com
  • 5mxb-00103a01.gslb.pphosted.com

TXT 58

  • adobe-idp-site-verification=034210a15b8e70e227fdf3fe74f1c7f7781ba62892475a6977d4787a8b2c74c1
  • teamviewer-sso-verification=0378d844c07b4a26ac6d3c920af89768
  • DirectFedAuthUrl=https://ciena.okta.com/app/ciena_pwcentrafederated_1/exk24kamuedchTxer0h8/sso/saml
  • 4b1grbhu95p6iomj08h872fdea
  • hqhuok0mrhmga5ddkq2bnd3d8o
  • jamf-site-verification=uJcrmFW71wLWEz_wYc9AOA
  • pi2l8gbo46pq9gimsmufenm2to
  • teamviewer-sso-verification=61ea02c640864163bc1ccb0417f57d9
  • 1l8h50r0ar03pj4262e5e17sp5
  • jjk48im75gpboae6n9adv11icg

NS 2

  • cfns2.cienans.com
  • cfns1.cienans.com

SOA 1

  • ns4.ciena.com webchanges.ciena.com

TLS Certificates (0)

None.

Subdomains (11)

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

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

Ed25519 Receipt

Receipt ID
5b38fe1d-3173-4c88-8919-44a908ac2a41
Output Hash
982da6525940fc427cfb2ae4d32f3042832675d7849ecf49a74806df58297ce2
Signature
ed25519:f9d854a6c1843d443ff98d210f0c618a66ac12a32d44a7b4525fd3f88019f114f43624ac56284c909a8f0e7ea7e0ea839ca85f9cc01e3da70b8a7f8870d3ae00
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser