CONTINUOUS INTERNET TELEMETRY24H DRIFT3,255 material changesacross 2,839 domains · -143 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -6 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,308 curated domains not answering-6,410 vs yesterdayERRORS10,962 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,255 material changesacross 2,839 domains · -143 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -6 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,308 curated domains not answering-6,410 vs yesterdayERRORS10,962 responded with an errorlast probe · 5xx / 404 / 429 / 403

tcs.ch

Observed 2026-07-12T15:10:03.920Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byMicrosoft 365
Also usesGoogle Search ConsoleMiroAtlassian
8 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat tcs.ch actually stands on - every host below is a signed observation
tcs.ch
A / AAAA
194.33.154.146
Cloudflareserves the site
NS
ldns3003.tcs.chldns3004.tcs.chldns3002.tcs.chldns3001.tcs.ch
tcs.chanswers its DNS
MX
tcs-ch.mail.protection.outlook.com
Microsoft 365receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.tcs.ch/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time317 ms
DNS resolutionNOERROR
Redirect chain
https://www.tcs.ch/

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

DNS Records

A 1

  • 194.33.154.146

MX 1

  • 20tcs-ch.mail.protection.outlook.com

TXT 14

  • google-site-verification=26ZPI9OxeTZkyax7GA4WFipqAPzHFfmHltB4ehfr-po
  • miro-verification=c47295ee8b207e4dcfd1dfe6191a42323fef8eca
  • anthropic-domain-verification-tm0mkr=eQgJIOGt1sgQsGiq3fcb4kDGA
  • v=spf1 ip4:193.109.95.0/24 ip4:194.33.152.0/22 ip4:185.48.144.167 include:cust-spf.exacttarget.com include:_spf.salesforce.com include:servers.mcsv.net include:_spf4.xcampaign.de include:docebosaas.com include:spf.protection.outlook.com include:spf.mailjet.com include:sendgrid.net ip4:20.250.50.60 ip4:20.250.57.206 -all
  • atlassian-domain-verification=C44FeHVNqtnpeLiHlQe98aoay0R2mUqgOW3LYg0GABbgh6UjVridcyt8agQpaQED
  • MS=ms39145351
  • apple-domain-verification=nnd6XNaSPlQVNxwr
  • atlassian-sending-domain-verification=4a872548-b6ca-402c-adc3-995164cb503c
  • brevo-code:105fd8e8cd023e56a059a0caf98d0114
  • Foxit-domain-verification=7b6c942b3de6107efbd0d05fa35ce1cf

NS 4

  • ldns3003.tcs.ch
  • ldns3004.tcs.ch
  • ldns3002.tcs.ch
  • ldns3001.tcs.ch

SOA 1

  • ldns3001.tcs.ch dns_info.tcs.ch

TLS Certificates (0)

None.

Subdomains (8)

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

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

Ed25519 Receipt

Receipt ID
dae0e7c9-71e1-4ae2-b13c-9a7d4c937325
Output Hash
d87a937244bf85b7462ab2ff78513dce16f5f50877a98cdf0b98013b74e5bffa
Signature
ed25519:112a8c6431e30a30acbd98c7a1fde40eb665c5bad94014ae722ac8d30380f24ef5637f6031e88883108a0bdf072ffe58a4248c8b3e296eed22f52896df3fe30f
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser