indexo.dev

jeremias.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-31 · ok HTTP/1.1 200 2954 ms crawled 2026-05-29

DE · 116.202.181.252 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Jeremias s.r.o. – Komínové Systémy
Language
cz
Generator
TYPO3 CMS
Canonical
https://jeremias.cz/

Technology

Server
Apache
jQuery
3.5.1

Social

Contact

Email
Phone

Registration

Registrar
REG-ZONER
Created
2003-04-01
Expires
2027-03-30 302 days left
Updated
2017-03-22
Name servers
  • ns1.eurodns.com
  • ns2.eurodns.com
  • ns3.eurodns.com
  • ns4.eurodns.com

DNS records live

NS
  • ns1.eurodns.com
  • ns2.eurodns.com
  • ns3.eurodns.com
  • ns4.eurodns.com
MX
  • 10 mail.jeremias.de
Verified for
  • Atlassian
  • Brevo
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 a mx ip4:91.107.224.170 include:spf.sendinblue.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; ruf=mailto:dmarc_report@jeremias-group.com; fo=0:1;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-19 to 2026-08-17
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (19)

Linked from (11)