indexo.dev

czechelib.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 2200 ms crawled 2026-05-31

CZ · 195.113.241.64 · AS2852 CESNET z.s.p.o.

Reputation 100/100

Classifying

HTML metadata

Title
Czech National Library of Technology

Technology

Server
Apache
PHP
7.4.27 end of life
jQuery
3.1.0 known XSS (<3.5)
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (4)

  • ajax.googleapis.com×1
  • fonts.googleapis.com×1
  • matomo.techlib.cz×1
  • www.youtube.com×1

Social

Contact

Phone

DNS records live

NS
  • ns.techlib.cz
  • nsa.ces.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@czechelib.cz,mailto:dmarc+czechelib@techlib.cz; adkim=r; aspf=r
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6rp3UXJdOYEZw6JY2fx/98hdtNxzanVsfpFv/clBKUz/dx1UcdChFjPzHvYD7bxam52VstEIGhL4jV…
selectors probed

Certificate (current)

R12
from 2026-05-09 to 2026-08-07
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.czechelib.cz/en/

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=15768000

Links to (3)

Linked from (2)