CONTINUOUS INTERNET TELEMETRY24H DRIFT2,539 material changesacross 2,311 domains · -859 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.com · -11 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT5 domains switched issuing CA24h · -2 vs yesterdayNOW3,332 curated domains not answering-6,386 vs yesterdayERRORS10,916 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,539 material changesacross 2,311 domains · -859 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.com · -11 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT5 domains switched issuing CA24h · -2 vs yesterdayNOW3,332 curated domains not answering-6,386 vs yesterdayERRORS10,916 responded with an errorlast probe · 5xx / 404 / 429 / 403

martinfowler.com

Observed 2026-07-13T00:46:40.645877729+00:00 (23h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onAmazon
Email byGoogle Workspace
Secured byDigiCert
Registered withTucows Domains Inc.
Also usesGoogle Search Console
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
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
MX
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 NameIssuerExpires
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)

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.

DomainDrift signed-observation badge for martinfowler.com <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
63b5a7a6-2551-48b6-b9c6-dfd641c89159
Output Hash
bffa9d0fe467e2be97e1bd93b1d0c9013309f4565400522448e2af62d1960dbb
Signature
ed25519:17454b24b8b9ee6fe6687fa91ffced8fb413330dd93bde982b015ef872a31c0e2917bea79d4c61214ddb1a78fe38fe6b88c5c2c014766c435967d402c9891e07
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser