operon.pl

.pl crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 3373 ms crawled 2026-06-01

US · 172.67.74.93 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Wydawnictwo Pedagogiczne OPERON sp z o.o
Description: Wydawnictwo Pedagogiczne Operon
Language: pl
Canonical: /

Open Graph

url: https://operon.pl/
title: Wydawnictwo Pedagogiczne OPERON sp z o.o
site name: Operon.pl
description: Wydawnictwo Pedagogiczne Operon

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights
Google Tag Manager

Social widgets

Vimeo Embed

Third-party hosts loaded (8)

player.vimeo.com×4
creativecdn.com×2
www.googletagmanager.com×2
cdn.optimizely.com×1
schema.org×1
static.cloudflareinsights.com×1
www.facebook.com×1
www.google.com×1

Social

Contact

Phone

58 679 00 00

Address

Hutnicza 3, 81-212, Gdynia, PM

DNS records live

NS

adele.ns.cloudflare.com
armando.ns.cloudflare.com

MX

10 operon-pl.mail.protection.outlook.com

Verified for

Atlassian
Google

Email authentication weak

SPF

v=spf1 mx include:aspmx.googlemail.com include:spf.protection.outlook.com include:_spf.google.com include:mailing.operon.pl ip4:86.111.246.1/24 ip4:89.146.199.128/25 ip4:86.111.246.136/32 ip4:89.146.221.0/24 ip4:85.194.243.9/32 ip4:86.111.246.104/32 ip4:18.185.24.29/32 ip4:213.192.69.202/32 ~all

softfail (~all)

DMARC

not published

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLaR6yr8u7n6Ntjix7aS+hfG18TwGgH+eoHovVK1AS6LMjh2Yvp0eFpRpeLwdspZXEIsXeOhma46sUcl8I1X…

selectors probed

Certificate (current)

WE1

from 2026-04-05 to 2026-07-04

Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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