coldcard.com
Observed 2026-07-13T00:08:26.372338819+00:00 (17h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Secured byGoogle Trust Services
Registered withName.com, Inc.
Also usesGoogle Search Console
IPv6 · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat coldcard.com actually stands on - every host below is a signed observation
coldcard.com
A / AAAA
172.67.145.90104.21.55.602606:4700:3035::6815:373c2606:4700:3037::ac43:915a
Cloudflareserves the site
NS
cody.ns.cloudflare.comlily.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
coldcard.com
Google Trust Servicesissued its certificate
DNS Records
A 2
172.67.145.90104.21.55.60
AAAA 2
2606:4700:3035::6815:373c2606:4700:3037::ac43:915a
TXT 4
ahrefs-site-verification_14216347782669d0547415695812cc789c02aad99b588436d14e1849fb914f7cgoogle-site-verification=k4A959RmM_4llcU3QcO_H_EVui_HENTlHCi4YaEACOsv=spf1 -allv=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
NS 2
cody.ns.cloudflare.comlily.ns.cloudflare.com
SOA 1
cody.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
coldcard.com |
C=US, O=Google Trust Services, CN=WE1 | Sun, 23 Aug 2026 14:03:25 +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
d7a99aeb-b514-4938-a8aa-cbb0f38c2653- Output Hash
a99729e473f23e1557b3adce73fbf82f57280de9d695c28f704344aafe23f3f3- Signature
ed25519:31ebacf031db03fa27b4b9ac38206713d8c51be9b6c1a85e1d4cb870a57923d366dc607a76dceaba28cdddd3d58adba2ef762d17465839034459ecacb009540b- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast