simonwillison.net

Observed 2026-07-14T07:38:02.700Z (4h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered with123-Reg Limited

Also usesGoogle Search Console

IPv6 · 5 subdomains · push_legacy

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

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

simonwillison.net

A / AAAA

172.67.136.172104.21.56.2062606:4700:3036::ac43:88ac2606:4700:3035::6815:38ce

Cloudflareserves the site

zita.ns.cloudflare.comnash.ns.cloudflare.com

cloudflare.comanswers its DNS

alt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx5.googlemail.comaspmx4.googlemail.com+3 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time13 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

172.67.136.172
104.21.56.206

AAAA 2

2606:4700:3036::ac43:88ac
2606:4700:3035::6815:38ce

MX 7

5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10aspmx5.googlemail.com
10aspmx4.googlemail.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
1aspmx.l.google.com

TXT 3

google-site-verification=8GB3C6bWThvLDooMmCFAeCFKkOk_7g5ceMdre2ReNT4
openai-domain-verification=dv-JhuPPoSWBBabWminrtBHji7Y
v=DMARC1; p=none; pct=100; rua=mailto:postmaster@simonwillison.net;

NS 2

zita.ns.cloudflare.com
nash.ns.cloudflare.com

SOA 1

nash.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (5)

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

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

Ed25519 Receipt

Receipt ID: 8ac8be93-26d3-45ec-aad6-50e1c73ff7e9
Output Hash: c9e1d679a4b4d430954de94c650ff412d93ea290221e71437143702c7a7adbe5
Signature: ed25519:31b12a8b3d93fc2d3c2c237e4845f9da79a5fe411cfbd9af262da1942b1c636514d9104235225208fadfe9900e4da56fe6afc3df3b58b7ab41921eaff51acf00
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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