pragmaticengineer.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 606 ms crawled 2026-05-19

US · 75.2.60.5 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: The Pragmatic Engineer
Description: I write a newsletter, a blog and published a few books. The Pragmatic Engineer is the #1 newsletter for engineering managers and senior engineers.

Open Graph

title: The Pragmatic Engineer
description: I write a newsletter, a blog and published a few books. The Pragmatic Engineer is the #1 newsletter for engineering managers and senior engineers.

Technology

CDN: Netlify

Analytics

Google Tag Manager
Plausible

Fonts

Google Fonts

Third-party hosts loaded (5)

ajax.googleapis.com×2
fonts.gstatic.com×2
fonts.googleapis.com×1
plausible.io×1
www.googletagmanager.com×1

Social

Registration

Registrar

Squarespace Domains II LLC

Created

2015-11-08

Expires

2026-11-08 172 days left

Updated

2025-10-24

Name servers

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

DNS records live

NS

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

MX

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

TXT

proxy-ssl.webflow.com

Email authentication partial

SPF

v=spf1 include:_spf.google.com include:mxsspf.sendpulse.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtlZKLn+qyp+zW01gztblPrQ+BBhZihCSYVL0R7XDWkXxkTCi5Xad63uh5a2nzja/+oF52717yb91T0…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4t1Ko1MhIhL0D5kxnpfVFVCeLwyOHCVRfiwZLDJz8OXLh5IlBdX6W4Py6kmYTEcpcVbBUqzM7m8T/M6Nsj…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuryFP7EKYUzeK6UkwTTEyC0iE0KrdRZ0zLSUTpMeTEGvZrhsAf2xT9POeEDersg8aaV58tjHXY/GCvMfnn…

selectors probed

Certificate (current)

from 2026-04-25 to 2026-07-24

Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.pragmaticengineer.com/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=31536000