cdt.ch

Observed Jul 19, 2026, 04:45 UTC (22h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byAmazon SES

Also usesGoogle Search Console

IPv6 · 3 subdomains · tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat cdt.ch actually stands on - every host below is a signed observation

cdt.ch

A / AAAA

172.66.146.152104.20.37.1562606:4700:10::ac42:92982606:4700:10::6814:259c

Cloudflareserves the site

alexis.ns.cloudflare.comerin.ns.cloudflare.com

cloudflare.comanswers its DNS

backup-mailsecurity.cybersecservices.chmailsecurity.cybersecservices.ch

Amazon SESreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.cdt.ch/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time634 ms

DNS resolutionNOERROR

Redirect chain

https://www.cdt.ch/

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

DNS Records

A 2

172.66.146.152
104.20.37.156

AAAA 2

2606:4700:10::ac42:9298
2606:4700:10::6814:259c

MX 2

0backup-mailsecurity.cybersecservices.ch
10mailsecurity.cybersecservices.ch

TXT 13

v=spf1 include:spf.mandrillapp.com include:servers.mcsv.net include:sendgrid.net include:amazonses.com include:spf.protection.outlook.com mx ip4:207.67.38.0/24 ip4:207.250.68.0/24 ip4:64.132.92.0/24 ip4:64.132.88.0/24 -all
google-site-verification=qpuGtkwDISXLvJXrf6ZCvBSXS00ngfsnpQwMq3oMpvY
langdock-verify=RvugwI029a8bc3GGUpqmySW8zh5ylyBQ4UyXycIBl9s
MS=B7050CAB7547DA4408847143DF3244A44819B926
_w746fksat4cy3r46834cuy481w3y77h
SFMC-3kHczSd4UtnBhk2C0b6kmDqFnV-iYH2ft0QFuZ2j
_gxzkpdgbo7bjf4vlxcfll825f6xa7l2
google-site-verification=bVo9QDjCi5aamXt5yihMhIRqS-8vrgdmLAsPhsKCpJ4
MS=ms65333233
_9kr03nafwmh6s2raahixme9xyts54om

NS 2

alexis.ns.cloudflare.com
erin.ns.cloudflare.com

SOA 1

alexis.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (3)

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 cdt.ch. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 973d487b-d7d2-4a00-ae1a-6b3a426e9152
Output Hash: 89c69e4814fddaab37600370eb71e1f32fb5063a80ed90686579a673a6aedcb9
Signature: ed25519:dab15e82b572abcea1f228e8efdb8e0ec8bc6aaf5e7b5917575010d47a77f331c7d5d749e94aaead33fbb89e7c91a5a2fe863d3c89a54e88536edff11c372d05
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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