cppreference.com

Observed 2026-07-13T05:56:32.311Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Registered withTucows Domains Inc.

IPv6 · 96 subdomains · tranco_40k

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

INFRASTRUCTURE MAPwhat cppreference.com actually stands on - every host below is a signed observation

cppreference.com

A / AAAA

104.21.57.36172.67.188.2392606:4700:3030::ac43:bcef2606:4700:3035::6815:3924

Cloudflareserves the site

isabel.ns.cloudflare.comjake.ns.cloudflare.com

cloudflare.comanswers its DNS

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 time6 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 2

104.21.57.36
172.67.188.239

AAAA 2

2606:4700:3030::ac43:bcef
2606:4700:3035::6815:3924

TXT 1

v=spf1 ip4:195.201.94.168 ip6:2a01:4f8:1c1a:2e70::1 -all

NS 2

isabel.ns.cloudflare.com
jake.ns.cloudflare.com

SOA 1

isabel.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (96)

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 cppreference.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 88a90e41-956a-4e04-ac97-591b19ffb57e
Output Hash: 096cce3dfdaadec5ff1d091b4fccaee02170c6989e76954d93190852d8bf1b59
Signature: ed25519:e1fe77a783432a6e6d4e07e8ef1829e33d85be28bc219af807096eb218e78a6a32b407f6d0a36d2cef2847ff7592e4f2b9b4a4b410f354af78e151d9bc678b04
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/cppreference.com