indexo.dev

knihovnaceskydub.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 452 ms crawled 2026-06-01

CZ · 91.239.201.15 · AS60606 PRO-ZETA a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Městská knihovna Český Dub
Description
Podještědské muzeum a knihovna Český Dub -
Language
cs
Canonical
https://www.knihovnaceskydub.cz/
Translations
  • cs
  • en

Technology

Server
nginx
PHP
7.0.33 end of life
Stack
PHP

Social

Registration

Registrar
REG-INTERNET-CZ
Created
2014-07-15
Expires
2028-07-14 772 days left
Updated
2018-11-08
Name servers
  • ns1.thinline.cz
  • ns2.thinline.cz
  • ns3.cesky-hosting.eu

DNS records live

NS
  • ns1.thinline.cz
  • ns2.thinline.cz
  • ns3.cesky-hosting.eu
MX
  • 10 mx1d10.thinline.cz
  • 20 mx1b20.thinline.cz

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-03 to 2026-07-02
Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.knihovnaceskydub.cz/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests;
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (10)

Linked from (1)