jeclark.net

.net crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1069 ms crawled 2026-05-18

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Homepage - Josh Clark
Language
en
Generator
Hugo 0.128.0

Open Graph

url
https://jeclark.net/
title
Homepage
locale
en_us
site name
Josh Clark
description
Experiments in Performance Engineering Hi, I’m Josh. I’m obsessed with making distributed systems faster. With a background in network engineering, I’ve spent years diving deep into networking, internet protocols, and performance optimization. Back in grad school, my projects often involved pushing Linux networking to its limits—and then analyzing the fallout. These days, I troubleshoot performance issues in sprawling, multi-vendor, multi-stack environments. On the side, I’m passionate about helping others master Wireshark.

Technology

CDN
Fastly
Server
GitHub.com
CMS
Hugo
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
NameCheap, Inc.
Created
2024-06-10
Expires
2027-06-10 387 days left
Updated
2026-05-11
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 10 in1-smtp.messagingengine.com
  • 20 in2-smtp.messagingengine.com
TXT
  • hey-verification:9Aw7tG7oDiUDfDVdNoczpzXr

Email authentication partial

SPF
v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-28 to 2026-07-27
Expires in 68 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://jeclark.net/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (1)