bitcoin.cz

Observed Aug 2, 2026, 16:50 UTC (11d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of bitcoin.cz was taken 11d ago

bitcoin.cz is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting bitcoin.cz under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch bitcoin.cz Watching a domain needs a DRM3 account. The reading above stays free and public either way.

Verify this receipt yourself + Watch this domain

Up right now

Runs onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

Also usesGoogle Search Console

IPv6 · tranco

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

INFRASTRUCTURE MAPwhat bitcoin.cz actually stands on - every host below is a signed observation

bitcoin.cz

A / AAAA

172.67.198.77104.21.21.1152606:4700:3037::6815:15732606:4700:3033::ac43:c64d

Cloudflareserves the site

clay.ns.cloudflare.comrachel.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comalt1.aspmx.l.google.comalt2.aspmx.l.google.com

Google Workspacereceives its email

TLS

bitcoin.cz

Google Trust Servicesissued its certificate

DNS Records

A 2

172.67.198.77
104.21.21.115

AAAA 2

2606:4700:3037::6815:1573
2606:4700:3033::ac43:c64d

MX 4

1aspmx.l.google.com
10aspmx2.googlemail.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 2

google-site-verification=aYNFVfVWAjcXeCsSO0UCJAvJGkDpgD3eqI7VvL2LccA
v=spf1 include:_spf.google.com ~all"

NS 2

clay.ns.cloudflare.com
rachel.ns.cloudflare.com

SOA 1

clay.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`bitcoin.cz`	C=US, O=Google Trust Services, CN=WE1	Mon, 12 Oct 2026 00:22:10 +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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID: rcpt_4373f725b65886b1
Output Hash: c9850aeb411dc8044f86e010c702a28fe235a347a9497e30fd9f924ea03a570b
Signature: ed25519:8aa4f144e9a7d1eef0fa045245e526cc3f6fdfacf03c4ce0d2fb452dc2d7c166fe3a1bd298f093a4f55255e800a00b51342c44ba43194ed95943e08d35f56e00
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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