rzetelnagrupa.pl

.pl crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 870 ms crawled 2026-06-01

US · 172.67.215.184 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Rzetelna Grupa sp. z o.o. - O nas
Language: pl-PL

Technology

CDN: Cloudflare
PHP: 8.4.19
jQuery: 3.4.1 known XSS (<3.5)
Stack: PHP

Fonts

Google Fonts

Third-party hosts loaded (1)

fonts.googleapis.com×1

Social

Contact

Phone

DNS records live

NS

josh.ns.cloudflare.com
tia.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Verified for

Google

Email authentication strong

SPF

v=spf1 mx include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; rua=mailto:it@rzetelnagrupa.pl;

policy: reject (enforced)

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMFd+W99BPYsJ2uRXDKiseNy3z6hy/8nhzzmM2XKfoi+uamKBuamyZyujKl6+0V3piQWwsN1f7+ypLLl64vL…

selectors probed

Certificate (current)

from 2026-04-22 to 2026-07-21

Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.rzetelnagrupa.pl/

present

strict-transport-security

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=0