hambook.org

.org crawl

First seen 2026-04-21 · Last seen 2026-05-11 · ok HTTP/1.1 200 1424 ms crawled 2026-05-14

US · 44.40.48.160 · AS6315 XMission, L.C.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
HamStudy License Class HamBooks | HamStudy HamBook Collection
Description
Free and affordable study guides for every level of amateur radio licensing. Start with the Technician Class HamBook or upgrade with General and Extra guides.
Language
en-us
Generator
Hugo / WeasyPrint
Canonical
https://hambook.org/
Feeds

Open Graph

url
https://hambook.org/
title
HamStudy License Class HamBooks
locale
en_us
site name
HamStudy HamBook Collection
description
Free and affordable study guides for every level of amateur radio licensing. Start with the Technician Class HamBook or upgrade with General and Extra guides.

Technology

Server
nginx
CMS
Hugo
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • analytics.signalstuff.com×1
  • fonts.gstatic.com×1

Social

Contact

Email

Registration

Registrar
Porkbun LLC
Created
2024-08-28
Expires
2026-08-28 99 days left
Updated
2025-09-01
Name servers
  • ns1.he.net
  • ns2.he.net
  • ns3.he.net
  • ns4.he.net
  • ns5.he.net

DNS records live

NS
  • ns1.he.net
  • ns2.he.net
  • ns3.he.net
  • ns4.he.net
  • ns5.he.net
MX
  • 1 mail.ve.tools
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.google.com include:ve.tools -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-21 to 2026-07-20
Expires in 60 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://hambook.org/

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; includeSubDomains; preload

Links to (3)

Linked from (1)