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.com20alt1.aspmx.l.google.com20alt2.aspmx.l.google.com30aspmx2.googlemail.com30aspmx3.googlemail.com30aspmx4.googlemail.com30aspmx5.googlemail.com
TXT 5
ef1f6d5bc24c4d21887e34fa86a9b7a9fe84e6ee78e44b9ab42d1c3d6a0ab829google-site-verification=9O9JTHs3N9Dnxv9ev5W9U74CpHfCZxwovdhP1-OZyo8google-site-verification=OKoHoFLtbk2SWV-8sRAqghwpPDPTkvSWsl0C2EjOhsAv=DMARC1; p=none;
NS 4
ns-1254.awsdns-28.orgns-1900.awsdns-45.co.ukns-292.awsdns-36.comns-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)
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 receiptEd25519 Receipt
- Receipt ID
63b5a7a6-2551-48b6-b9c6-dfd641c89159- Output Hash
bffa9d0fe467e2be97e1bd93b1d0c9013309f4565400522448e2af62d1960dbb- Signature
ed25519:17454b24b8b9ee6fe6687fa91ffced8fb413330dd93bde982b015ef872a31c0e2917bea79d4c61214ddb1a78fe38fe6b88c5c2c014766c435967d402c9891e07- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast