indexo.dev

openbooksociety.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-18 · ok HTTP/1.1 200 913 ms crawled 2026-05-09

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
open book society e.V.
Description
We are the open book society e.V., an association dedicated to supporting, promoting, and disseminating contemporary design of publications and forms of independent publishing as well as the discourse of critical book aesthetics.
Language
en

Technology

CDN
Fastly
Server
GitHub.com

Social

Registration

Updated
2023-03-15
Name servers
  • cns1.alfahosting.info.
  • cns2.alfahosting.info.
  • cns3.alfahosting.info.

DNS records live

NS
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info
MX
  • 10 mx03.secure-mailgate.com
  • 10 mx04.secure-mailgate.com
TXT
  • google-site-verification=i6a7dddWanF-i3Lk6iO0vO5JPkz2wKlPPMUNM6-qhBQ

Email authentication weak

SPF
v=spf1 include:secure-mailgate.com a mx include:secure-mailgate.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-29 to 2026-07-28
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://openbooksociety.de/

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=31556952

Links to (1)

Linked from (5)