indexo.dev

poehnelt.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 436 ms crawled 2026-05-18

US · 172.67.72.203 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Justin Poehnelt
Description
Justin Poehnelt's personal site and blog. A software engineer, ultrarunner, and writer, sharing insights on software development, cloud infrastructure, and endurance sports.
Language
en
Canonical
https://justin.poehnelt.com/
Feeds

Open Graph

url
https://justin.poehnelt.com/
title
Justin Poehnelt
site name
Justin Poehnelt
description
Justin Poehnelt's personal site and blog. A software engineer, ultrarunner, and writer, sharing insights on software development, cloud infrastructure, and endurance sports.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • webmention.io×2
  • www.googletagmanager.com×1

Social

Registration

Registrar
Cloudflare, Inc.
Created
2020-04-04
Expires
2027-04-04 318 days left
Updated
2026-03-05
Name servers
  • jeff.ns.cloudflare.com
  • kiki.ns.cloudflare.com

DNS records live

NS
  • jeff.ns.cloudflare.com
  • kiki.ns.cloudflare.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
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuggByApVc8EhiCGEjQPTo4fdGHfRklJxAJAcBBuA1jILkJRap5+UvAoSdljC0HIJKoES38ZcHqxzpH…
selectors probed

Certificate (current)

WE1
from 2026-04-15 to 2026-07-14
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://justin.poehnelt.com/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (4)

Linked from (1)