martinfowler.com

Observed Jul 24, 2026, 02:58 UTC (5h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byDigiCert

Registered withTucows Domains Inc.

Also usesGoogle Search Console

1 subdomain · push_legacy

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

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

martinfowler.com

A / AAAA

34.198.71.201

Amazonserves the site

ns-1254.awsdns-28.orgns-1900.awsdns-45.co.ukns-292.awsdns-36.comns-907.awsdns-49.net

awsdns-28.org + awsdns-45.co.uk + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+3 more

Google Workspacereceives its email

TLS

www.martinfowler.com

DigiCert Incissued its certificate

DNS Records

A 1

34.198.71.201

MX 7

10aspmx.l.google.com
20alt1.aspmx.l.google.com
20alt2.aspmx.l.google.com
30aspmx2.googlemail.com
30aspmx3.googlemail.com
30aspmx4.googlemail.com
30aspmx5.googlemail.com

TXT 5

ef1f6d5bc24c4d21887e34fa86a9b7a9
fe84e6ee78e44b9ab42d1c3d6a0ab829
google-site-verification=9O9JTHs3N9Dnxv9ev5W9U74CpHfCZxwovdhP1-OZyo8
google-site-verification=OKoHoFLtbk2SWV-8sRAqghwpPDPTkvSWsl0C2EjOhsA
v=DMARC1; p=none;

NS 4

ns-1254.awsdns-28.org
ns-1900.awsdns-45.co.uk
ns-292.awsdns-36.com
ns-907.awsdns-49.net

SOA 1

ns-1254.awsdns-28.org awsdns-hostmaster.amazon.com

TLS Certificates (2)

Common Name	Issuer	Expires
`www.martinfowler.com`	C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1	Tue, 13 Oct 2026 23:59:59 +0000
`DigiCert Global G2 TLS RSA SHA256 2020 CA1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Sat, 29 Mar 2031 23:59:59 +0000

Subdomains (1)

www.martinfowler.com

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

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

Ed25519 Receipt

Receipt ID: rcpt_3b2aac7f41872b68
Output Hash: 8239e45fa8b35ed4ec38bdc9dddfd621ab8b7c59ea37b27b928567630f2c6c52
Signature: ed25519:2f46fc98c26cb5783ec0849936e3996f37cf4174e3e494e2047d5782e080495537d6a8364d683b38738dc67a2226bf1d08fbdb3a4a5ed9f1ffc88c0e1d10c80a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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