jwc.pl

.pl crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 343 ms crawled 2026-06-01

PL · 77.79.245.92 · AS34342 Atman Sp. z o.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
JW Construction Holding S.A.
Description
JW Construction Holding S.A.
Generator
Gatsby 4.25.0
Canonical
https://jwc.pl/
Translations
  • en

Open Graph

url
https://jwc.pl/
title
JW Construction Holding S.A.
description
JW Construction Holding S.A.

Technology

Server
nginx

Social

Contact

Email
Phone

DNS records live

NS
  • dns.home.pl
  • dns2.home.pl
  • dns3.home.pl
MX
  • 10 jwconstruction.home.pl
TXT
Show 4 TXT records
  • a2c05c91d000cdd15c3e42af13e6443293b4a7455b5846073ca4b630de5ab13
  • 6c53e995a04a3b7bea823501a5edbd7229a7cb3c67a822b809f96f92bd8512b
  • atlassian-sending-domain-verification=83a22985-31ee-4b23-be1f-08d96ef1854a
  • mailerlite-domain-verification=67b386cbd52b0bbab684ac75f4a99534b10808a3
Verified for
  • Atlassian
  • Google

Email authentication weak

SPF
v=spf1 a mx include:_spf.mlsend.com include:spf.protection.outlook.com ip4:89.161.251.76 -all
strict (-all)
DMARC
not published
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuwcNv9YiHtCNwuR9VTJ7kCLHja7+JPQCQoJzJ8lze97w2iZzMfoJ4oCtsbqfW9ZGApZTq6jceLg3tC…
selectors probed

Certificate (current)

Certum Domain Validation CA SHA2
from 2025-06-06 to 2026-06-06
Expires in 3 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://jwc.pl/

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

Links to (7)

Linked from (2)