indexo.dev

knihovnasu.cz

.cz crawl

First seen 2026-05-25 · Last seen 2026-05-29 · ok HTTP/1.1 200 1221 ms crawled 2026-05-29

US · 66.241.125.178 · AS40509 Fly.io, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Úvod - Knihovna Sezimovo Ústí
Language
cs

Open Graph

url
https://www.knihovnasu.cz/
title
Úvod
site name
Knihovna Sezimovo Ústí

Technology

Server
Fly
CMS
Joomla
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • cdn.jsdelivr.net×5
  • ksu-public.s3.amazonaws.com×4
  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • static.getclicky.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • javon.ns.cloudflare.com
  • sofia.ns.cloudflare.com
MX
  • 10 mx.zoho.eu
  • 20 mx2.zoho.eu
  • 50 mx3.zoho.eu

Email authentication partial

SPF
v=spf1 include:_spf.mx.cloudflare.net include:spf.smartemailing.cz include:zohomail.eu include:clavius.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=none; sp=none; rua=mailto:dmarc+677834@smartemailing.cz; fo=1; aspf=r; adkim=r
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-25 to 2026-08-23
Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.knihovnasu.cz/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
unsafe-url
x-frame-options
DENY
x-content-type-options
nosniff
strict-transport-security
max-age=60; includeSubDomains; preload
cross-origin-opener-policy
same-origin

Links to (6)

Linked from (1)