indexo.dev

sefer.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-27 · ok HTTP/1.1 200 4013 ms crawled 2026-05-29

CZ · 62.109.151.98 · AS29134 Webglobe, s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Nakladatelství Sefer
Description
SEFER, s.r.o. Nakladatelství Federace židovských obcí v ČR
Language
cs-cz
Generator
Joomla! 1.5 - Open Source Content Management
Feeds

Technology

Server
nginx
CMS
Joomla 1.5

Registration

Registrar
REG-WEBGLOBE
Created
2006-05-09
Expires
2027-05-08 341 days left
Updated
2008-02-13
Name servers
  • ns1.profitux.cz
  • ns2.profitux.cz

DNS records live

NS
  • ns1.profitux.cz
  • ns2.profitux.cz
MX
  • 10 mx.profitux.cz
  • 20 backupmx.profitux.cz

Email authentication partial

SPF
v=spf1 a mx include:_spf.webglobe.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCuOdW6gGcATDbpSV4cKaPVGeadYoRe6ptwUIqVT0yPCxpbjLeTCRgOVsvw2EyUFTwr1aDwteZSBoDutjcln7…
selectors probed

Certificate (current)

R12
from 2026-03-25 to 2026-06-23
Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sefer.cz/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (1)