isover.cz

.cz crawl

First seen 2026-05-25 · Last seen 2026-05-30 · ok HTTP/1.1 200 850 ms crawled 2026-05-29

FR · 152.89.172.56 · AS209510 Nameshield SAS

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Isover - Jistota v izolacích | Isover

Language

cs-CZ

Generator

Drupal 10 (https://www.drupal.org)

Canonical

https://www.isover.cz/

Translations

Technology

CDN: Cloudflare
CMS: Drupal

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×2

Social

Registration

Registrar

REG-NAMESHIELD

Created

1999-01-13

Expires

2026-10-05 126 days left

Updated

2025-03-10

Name servers

nsa.perf1.fr
nsb.perf1.com
nsc.perf1.com

DNS records live

NS

nsa.perf1.fr
nsb.perf1.com
nsc.perf1.com

MX

10 mxa-002c9e02.gslb.pphosted.com
10 mxb-002c9e02.gslb.pphosted.com

TXT

Show 5 TXT records

2t99t0ttksl2rcl4b8s96ydxlhwc0t50
yjcs0lfdtbrgl0v01bct424r9yp4k8kq
4bsgqtmgtypmn7pmnmqqtn6p6x5r4h6f
cfh6477833x8q01m30r57ss93qxkqzzr
8d1yc54r6zx50gjbh9scc81k7q4g2w9s

Verified for

Google
Meta
Microsoft 365

Email authentication partial

SPF

v=spf1 include:_spfout.mail.saint-gobain.com include:servers.mcsv.net ?all

neutral (?all)

DMARC

v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

policy: none (monitoring only)

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…

selectors probed

Certificate (current)

Encryption Everywhere DV TLS CA - G2

from 2026-03-04 to 2026-09-19

Expires in 110 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.isover.cz/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains