indexo.dev

peterknecht.de

.de crawl

First seen 2026-04-18 · Last seen 2026-05-08 · ok HTTP/1.1 200 5010 ms crawled 2026-05-12

DE · 194.195.8.243 · AS61157 PlusServer GmbH

Reputation 92/100 no dmarc policy

sector other type homepage

HTML metadata

Title
Bücher und Lesen in Erfurt | Peterknecht
Description
Buchhandlung mit persönlicher Beratung | Online bestellen, vor Ort abholen | Tolino eBook-Reader | Lesungen
Language
de
Canonical
https://www.peterknecht.de/shop/

Technology

Server
Apache
CMS
Gatsby

Registration

Updated
2018-12-07
Name servers
  • ns3.kundenserver.de.
  • ns4.kundenserver.de.

DNS records live

NS
  • ns65.1und1.de
  • ns66.1und1.de
MX
  • 10 mail.peterknecht.de
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication weak

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-23 to 2026-06-21
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.peterknecht.de/shop/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self';
strict-transport-security
max-age=648000; includeSubDomains

Linked from (1)