ritterbooks.com

.com crawl

First seen 2026-05-20 · Last seen 2026-05-31 · ok HTTP/1.1 200 5534 ms crawled 2026-05-27

AT · 80.122.206.34 · AS8447 Telekom Austria

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Ritterverlag |
Language: de
Generator: WordPress 7.0
Canonical: https://www.ritterbooks.com/

Technology

Server: Apache
CMS: WordPress 7.0
jQuery: 3.7.1

Contact

Phone

2026-04-05 02

Registration

Registrar

Blue Razor Domains, LLC

Created

2001-01-15

Expires

2030-01-15 1324 days left

Updated

2024-12-17

Name servers

ns26.domaincontrol.com
park1.bluerazor.com

DNS records live

NS

ns26.domaincontrol.com
park1.bluerazor.com
park2.bluerazor.com

MX

50 thor.ritterbooks.com

Verified for

Brevo

Email authentication strong

SPF: v=spf1 mx -all
strict (-all)
DMARC: v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:postmaster@ritterbooks.com; rua=mailto:rua@dmarc.brevo.com
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-04 to 2026-07-03

Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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