quad9.net

Observed 2026-07-12T17:22:58.547Z (21h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMailchimp

Registered withKey-Systems GmbH

Also usesGoogle Search ConsoleSlack

DNSSEC on · IPv6 · cybersecurity_expanded

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

INFRASTRUCTURE MAPwhat quad9.net actually stands on - every host below is a signed observation

quad9.net

A / AAAA

195.176.255.1382001:620:2020:5:9::138

Cloudflareserves the site

ns2.pch.netanyns.pch.netns3.pch.net

pch.netanswers its DNS

mx2.quad9.netmx4.quad9.netmx1.quad9.net

Mailchimpreceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time529 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

195.176.255.138

AAAA 1

2001:620:2020:5:9::138

MX 3

20mx2.quad9.net
10mx4.quad9.net
5mx1.quad9.net

TXT 5

google-site-verification=pubFqUAodApNRC6sXcA_NNli9mak_IIlLSu6SWjyvPg
slack-domain-verification=EhulLkEHEcEGaLail027zEvZEfO54vuTRtNOKfY9
v=spf1 a mx include:_spf.quad9.net include:mail.zendesk.com include:servers.mcsv.net ~all
v=DMARC1; p=quarantine; sp=none; rua=mailto:reports@quad9.net; fo=1
v=DNSSEC1; (detected)

NS 3

ns2.pch.net
anyns.pch.net
ns3.pch.net

SOA 1

admin1.sjc.rrdns.pch.net hostmaster.pch.net

TLS Certificates (0)

None.

Subdomains (47)

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 quad9.net. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/quad9.net">
  <img src="https://domaindrift.io/badge/quad9.net.svg"
       width="300" height="64" alt="DomainDrift signed observations for quad9.net">
</a>

Ed25519 Receipt

Receipt ID: 9d6b6907-308a-43a2-80d5-9a14e5b11914
Output Hash: d14e47046bdde1726edfcbe970d15b26d28aeb2cda431a7c18ce73c1d12afd3b
Signature: ed25519:84439c2b77dd4df3dae748433f0b63beec36b8830d27e6db28407b8ce543ef49d6985327ab009caf7b14b1863ae72d9b491d0f59457ec925479aff52e8ffdd08
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/quad9.net