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.com10alt3.aspmx.l.google.com0aspmx.l.google.com5alt2.aspmx.l.google.com5alt1.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 ~allparallels-domain-verification=6c6bf75556914fa8a106c68d64b59096fdd8ee72467246ada70df07398a80466google-site-verification=VgrKSnQNxUTThbTuyt2t6wWf1h3sNA2xM_spBkn85ngbox-domain-verification=41a0fb4615564014713947f6e4fc6666611d33d29906d6243fb2791b149dfb0acanva-site-verification=ceTWkY6i6NutIo2JAmsjOQgoogle-site-verification=P2HUeBp7_Y2TUd0nuFQDyWwtg8vcfLtg_HhwF_k1BfQmentimeter-00bb42f9-906d-4658-a68e-d3dd20962123airalo-domain-verification=JTn1dKkJtUXbMOyapple-domain-verification=cQgvpWM5BEhMN5kFca3-ba043acfa10347bf87733a7269474909
NS 2
udns1.cscdns.netudns2.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 receiptEd25519 Receipt
- Receipt ID
34388b41-f0d4-4894-bee9-3211d83a1f9a- Output Hash
2a43bb41c40d84590b4b66038cd0e3d7ca3bba01b72f4ed3a57011aa396417d7- Signature
ed25519:fcfd5d7628ec7007f092122386baadcb54102e9a2db82d8c2f1a45d751495ccbce17bd798f41ba6cf4c641b9016f70d512b8c41d7eef302e9d3eeeb619487f01- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast