zbtc.org
Observed Jul 27, 2026, 20:21 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search Console
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zbtc.org actually stands on - every host below is a signed observation
zbtc.org
A / AAAA
198.202.211.1
Cloudflareserves the site
NS
ns2.tigertech.bizns3.tigertech.orgns1.tigertech.net
tigertech.biz + tigertech.org + moreanswers its DNS
MX
smtp.google.com
Google Workspacereceives its email
TLS
zbtc.org
Google Trust Servicesissued its certificate
DNS Records
A 1
198.202.211.1
MX 1
1smtp.google.com
TXT 4
google-site-verification=MhOt1RkuMZ_uFCJHLda6ABltmn21Z4nb3UmrnGYUP70proxy-ssl.webflow.comv=spf1 include:tigertech.net include:_spf.google.com include:spf.mailjet.com ~allv=DMARC1; p=none; rua=mailto:dmarc-reports@zbtc.org; ruf=mailto:dmarc-reports@zbtc.org; fo=1;
NS 3
ns2.tigertech.bizns3.tigertech.orgns1.tigertech.net
SOA 1
ns1.tigertech.net support.tigertech.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zbtc.org |
C=US, O=Google Trust Services, CN=WE1 | Fri, 28 Aug 2026 13:27:49 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (0)
None observed.
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
rcpt_8b0c0d74300f69a7- Output Hash
e61812b19c142d2da70431460a8d93fdbe25b5a2edd992e132ac428241514ab8- Signature
ed25519:c39c05212366bea3084e14c630177f879cc2b8ba27dd721582b0650563139c8afd8f25bf9329e4b8e6d51fc56b72c35fbd025d1ea3788c9fc983b4ca1201660e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast