CONTINUOUS INTERNET TELEMETRY24H DRIFT1,973 material changesacross 1,780 domains · +14 vs yesterdayDNS DRIFT26 domains changed DNS providertop destination parity.domains · +7 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +5 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -1 vs yesterdayNOW3,475 curated domains not answeringlast probe, steadyERRORS8,529 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,335 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,973 material changesacross 1,780 domains · +14 vs yesterdayDNS DRIFT26 domains changed DNS providertop destination parity.domains · +7 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +5 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -1 vs yesterdayNOW3,475 curated domains not answeringlast probe, steadyERRORS8,529 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,335 throttled or blocked our scanner429 rate-limit / 403 bot-block

c40.org

Observed 2026-07-15T10:57:17.861Z (3h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall
Runs onCloudflare
Email byGoogle Workspace
Registered withCSC Corporate Domains, Inc.
Also usesGoogle Search Console
2 subdomains · non_profit
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat c40.org actually stands on - every host below is a signed observation
c40.org
A / AAAA
162.159.134.42
Cloudflareserves the site
NS
udns1.cscdns.netudns2.cscdns.uk
cscdns.net + cscdns.ukanswers its DNS
MX
alt4.aspmx.l.google.comalt3.aspmx.l.google.comaspmx.l.google.comalt2.aspmx.l.google.com+1 more
Google Workspacereceives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active
HTTP status403
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time9 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

  • 162.159.134.42

MX 5

  • 10alt4.aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 0aspmx.l.google.com
  • 5alt2.aspmx.l.google.com
  • 5alt1.aspmx.l.google.com

TXT 17

  • v=spf1 include:_spf.google.com include:mailgun.org include:_spf.salesforce.com include:app.aventri.com ip4:13.58.219.195/32 ip4:13.37.84.251/32 ip4:13.58.175.231/32 ip4:34.237.205.19/32 ip4:54.87.108.204/32 ip4:18.188.134.198/32 ip4:35.177.188.31/32 ip4:3.75.117.13/32 ip4:34.195.3.229/32 ip4:18.219.6.37/32 ip4:108.168.203.23/32 ip4:3.97.26.246/32 ip4:52.222.36.182/32 ip4:35.169.190.25/32 ip4:52.23.73.104/32 ip4:18.136.72.214/32 ip4:52.64.190.42/32 ip4:50.97.164.168/32 ip4:18.254.28.218/32 ip4:18.254.211.34/32 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 ~all
  • parallels-domain-verification=6c6bf75556914fa8a106c68d64b59096fdd8ee72467246ada70df07398a80466
  • google-site-verification=VgrKSnQNxUTThbTuyt2t6wWf1h3sNA2xM_spBkn85ng
  • box-domain-verification=41a0fb4615564014713947f6e4fc6666611d33d29906d6243fb2791b149dfb0a
  • canva-site-verification=ceTWkY6i6NutIo2JAmsjOQ
  • google-site-verification=P2HUeBp7_Y2TUd0nuFQDyWwtg8vcfLtg_HhwF_k1BfQ
  • mentimeter-00bb42f9-906d-4658-a68e-d3dd20962123
  • airalo-domain-verification=JTn1dKkJtUXbMOy
  • apple-domain-verification=cQgvpWM5BEhMN5kF
  • ca3-ba043acfa10347bf87733a7269474909

NS 2

  • udns1.cscdns.net
  • udns2.cscdns.uk

SOA 1

  • udns1.cscdns.net hostmaster.cscdns.net

TLS Certificates (0)

None.

Subdomains (2)

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 c40.org. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for c40.org <a href="https://domaindrift.io/t/c40.org"> <img src="https://domaindrift.io/badge/c40.org.svg" width="300" height="64" alt="DomainDrift signed observations for c40.org"> </a>

Ed25519 Receipt

Receipt ID
34388b41-f0d4-4894-bee9-3211d83a1f9a
Output Hash
2a43bb41c40d84590b4b66038cd0e3d7ca3bba01b72f4ed3a57011aa396417d7
Signature
ed25519:fcfd5d7628ec7007f092122386baadcb54102e9a2db82d8c2f1a45d751495ccbce17bd798f41ba6cf4c641b9016f70d512b8c41d7eef302e9d3eeeb619487f01
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser