indexo.dev

liebig-verlag.de

.de crawl

First seen 2026-04-27 · Last seen 2026-05-20 · ok HTTP/1.1 200 1263 ms crawled 2026-05-20

DE · 213.188.110.106 · AS12897 ENTEGA Medianet GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Justus von Liebig Verlag
Language
de
Generator
WordPress 6.9.4
Canonical
https://liebig-verlag.de/
Feeds

Technology

Server
nginx
CMS
WordPress 6.9.4
PHP
7.4.33 end of life
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • phr.de×31
  • fonts.googleapis.com×3
  • www.google.com×2

Contact

Email
Phone

Registration

Updated
2022-02-15
Name servers
  • dns01.opticom.it.
  • dns02.opticom.it.

DNS records live

NS
  • dns01.opticom.it
  • dns02.opticom.it
MX
  • 10 mail.liebig-verlag.de

Email authentication partial

SPF
v=spf1 +a +mx +a:plesk01.opticom.it ip4:213.188.110.0/23 ip4:213.188.107.38 -all
strict (-all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-09-29 to 2026-10-31
Expires in 163 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://liebig-verlag.de/

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

Links to (1)

Linked from (2)