porr.cz

.cz crawl

First seen 2026-05-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 8694 ms crawled 2026-05-16

DE · 185.215.158.186 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

PORR - Home of Construction - PORR Česká republika

Description

PORR – moderní, mezinárodně působící stavební koncern s pobočkami po celém Česku, 150 let zkušeností, činný v 16 zemích, Full-Service Provider

Language

cs-CZ

Generator

TYPO3 CMS

Canonical

https://www.porr.cz/

Translations

cs-cz
en

Technology

Server: BunnyCDN-DE1-1328

Social

Contact

Email

porras@porr.cz

Phone

+420720058407

Registration

Registrar

REG-UN-DOMAINS

Created

2000-10-03

Expires

2026-10-03 136 days left

Updated

2026-03-22

Name servers

ns1.porr-group.com
ns2.porr.at
ns3.porr.at

DNS records live

NS

ns1.porr-group.com
ns2.porr.at
ns3.porr.at

MX

10 porr-cz.mail.protection.outlook.com

TXT

cdk37rngtecr2u837nlts7f1cf
docusign=421d79bc-dbc0-4c2d-8bb3-4e5c5529d722
MS=ms99654590

Email authentication weak

SPF

v=spf1 ip4:195.216.229.0/24 include:spf.protection.outlook.com include:spfa.cpmails.com -all

strict (-all)

DMARC

not published

DKIM

default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDxfYtTTHsI3Te9h+xbQpZYXDcg MsjEY3YPGFGwW/vdCYxMgBi4yxZxHK/SD9Jub52c1BW8ojB4Wt+ulj2Ws…
selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqk3rb1GMr5gRmar62rhgIJWc790cP8Ti9gJDwBmvGOZHljp5o6d1FY/qVizHnpT4IYzvNlD9Kaj5jn…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqZXvIVziOZ1q5Bf1gJtc0RzYODr94PcIm4GyC0UBEfXC2oPlCQpv6kMzmCvtlcI0N+FpjoLFi6p6X5…

selectors probed

Certificate (current)

R13

from 2026-05-06 to 2026-08-04

Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.porr.cz/

present

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

findings

CSP uses wildcard sources
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' http://porrtogo.staffbase.com https://porrtogo.staffbase.com http://staffbase.com capacitor://porrtogo.staffbase.com capacitor://staffbase.com localhost:*
strict-transport-security: max-age=31536000; includeSubDomains