indexo.dev

lektortance.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-04 · ok HTTP/1.1 200 587 ms crawled 2026-06-04

CZ · 82.208.58.249 · AS15685 CASABLANCA INT a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Lektor Tance
Language
cs

Technology

Server
nginx
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • code.jquery.com×3
  • cdn.jsdelivr.net×2
  • fonts.googleapis.com×1
  • frame.mapy.cz×1
  • unpkg.com×1

Contact

Email
Phone

DNS records live

NS
  • ns.grdns.cz
  • ns.grdns.it
MX
  • 10 3a2b0639d9e4cb6b.mx2.emailprofi.seznam.cz
  • 20 3a2b0639d9e4cb6b.mx1.emailprofi.seznam.cz

Email authentication weak

SPF
v=spf1 include:spf.seznam.cz include:spf.allstar.cz -all
strict (-all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwRVyJLWvylAHPoaCPJYAY/rzvaovoBfc/7QQRuSP8LM20erCJ9Y2LKqi780S/+x0YtwdfCa/lxAdIF…
selectors probed

Certificate (current)

R13
from 2026-05-20 to 2026-08-18
Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.lektortance.cz

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Linked from (1)