indexo.dev

systemsfieldbook.org

.org crawl

First seen 2026-04-15 · Last seen 2026-05-13 · ok HTTP/1.1 200 4946 ms crawled 2026-05-10

US · 162.144.28.32 · AS31898 Oracle Corporation

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
A System Leader's Fieldbook
Language
en
Generator
WordPress 6.9.4
Canonical
https://www.systemsfieldbook.org/
Translations
  • en
  • es

Technology

Server
nginx
CMS
WordPress
Fonts
  • Adobe Fonts

Third-party hosts loaded (5)

  • i0.wp.com×4
  • cdn.jsdelivr.net×2
  • stats.wp.com×2
  • script.crazyegg.com×1
  • use.typekit.net×1

Registration

Registrar
OnlineNIC, Inc.
Created
2017-12-04
Expires
2026-12-04 199 days left
Updated
2026-05-10
Name servers
  • ns1.bluehost.com
  • ns2.bluehost.com

DNS records live

NS
  • ns1.bluehost.com
  • ns2.bluehost.com
MX
  • 0 mail.systemsfieldbook.org

Email authentication weak

SPF
v=spf1 a mx ptr include:bluehost.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-28 to 2026-07-27
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.systemsfieldbook.org/

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

Links to (4)

Linked from (2)