pragmaticengineer.com

Observed Jul 21, 2026, 17:28 UTC (2d 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

Email byGoogle Workspace

Secured byLet's Encrypt

1 subdomain · tranco_100k

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

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

pragmaticengineer.com

A / AAAA

75.2.60.5

unattributedserves the site

ns-cloud-d3.googledomains.comns-cloud-d2.googledomains.comns-cloud-d4.googledomains.comns-cloud-d1.googledomains.com

googledomains.comanswers its DNS

alt4.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

www.pragmaticengineer.com

Let's Encryptissued its certificate

DNS Records

A 1

75.2.60.5

MX 5

10alt4.aspmx.l.google.com
1aspmx.l.google.com
5alt1.aspmx.l.google.com
10alt3.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 3

v=spf1 include:_spf.google.com include:mxsspf.sendpulse.com ~all
proxy-ssl.webflow.com
v=DMARC1; p=none;

NS 4

ns-cloud-d3.googledomains.com
ns-cloud-d2.googledomains.com
ns-cloud-d4.googledomains.com
ns-cloud-d1.googledomains.com

SOA 1

ns-cloud-d1.googledomains.com cloud-dns-hostmaster.google.com

TLS Certificates (4)

Common Name	Issuer	Expires
`www.pragmaticengineer.com`	C=US, O=Let's Encrypt, CN=YE1	Tue, 22 Sep 2026 10:44:07 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_be4f3009f98ecdd1
Output Hash: 06de4132d67d8ac22987afe073e4bc46f368d64feb868ea6f02bcb18aa7fc2d3
Signature: ed25519:e6a41097a181b4d84cc5d0cdb459fe8661de01ad825e7fe4b6ebfd71a43e41455df41262c5b229b6791990abdb284c8d81e254f83fb06a8f450a6149acc4d30c
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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