indexo.dev

happihacking.com

.com crawl

First seen 2026-04-11 · Last seen 2026-04-11 · ok HTTP/1.1 200 4835 ms crawled 2026-05-19

SE · 158.174.211.252 · AS8473 Bahnhof AB

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
HappiHacking - Erik Stenman's Writing and Systems Work
Description
HappiHacking helps engineers and technical leaders understand difficult systems before those systems surprise them.
Language
en
Canonical
https://happihacking.com/

Open Graph

url
https://happihacking.com/
title
HappiHacking - Erik Stenman's Writing and Systems Work
site name
Happi Hacking
description
HappiHacking helps engineers and technical leaders understand difficult systems before those systems surprise them.

Technology

Server
nginx

Social

Contact

Email
Phone

Registration

Registrar
Gandi SAS
Created
2015-02-18
Expires
2027-02-18 274 days left
Updated
2026-01-14
Name servers
  • ns-1260.awsdns-29.org
  • ns-1831.awsdns-36.co.uk
  • ns-84.awsdns-10.com
  • ns-927.awsdns-51.net

DNS records live

NS
  • ns-1260.awsdns-29.org
  • ns-1831.awsdns-36.co.uk
  • ns-84.awsdns-10.com
  • ns-927.awsdns-51.net
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=Wg5qQUXhD5VRpAKlhHqtXhFZUwC-TpL11ZF_164oZ6I

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-06 to 2026-07-05
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://happihacking.com/

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

Links to (5)

Linked from (1)