cst2021.gov.pl

.pl crawl

First seen 2026-05-27 · Last seen 2026-06-01 · ok HTTP/1.1 200 381 ms crawled 2026-05-30

DE · 129.159.30.44 · AS31898 Oracle Corporation

Reputation 100/100

Classifying

HTML metadata

Title: SZT2021
Description: Cst21/SSO/UI
Language: pl-PL

Technology

CMS: Nuxt

Fonts

Google Fonts

Third-party hosts loaded (1)

fonts.googleapis.com×1

DNS records live

NS

ns1.mrr.gov.pl
ns2.mrr.gov.pl

MX

10 merkury02.mfipr.gov.pl
5 merkury01.mfipr.gov.pl

TXT

7b02a04a8fda8b1290822bdb331bcefe9344309e10c07ae6162892ab3328926

Email authentication strong

SPF

v=spf1 ip4:130.61.45.33 mx:sl.gov.pl include:rp.oracleemaildelivery.com include:ap.rp.oracleemaildelivery.com include:eu.rp.oracleemaildelivery.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine;sp=quarantine; rua=mailto:dmarc-cst@mfipr.gov.pl

policy: quarantine · sp=quarantine

DKIM

default: v=DKIM1; k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqaIESDHvlI9cCIIokPr42fqQaDs03u3BlPolnVdBsOXOho0hCxOUYPeKXwYs11Rz4wRXqxnsNK6rieq…

selectors probed

Certificate (current)

Certum Domain Validation CA SHA2

from 2025-09-08 to 2026-09-08

Expires in 98 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://cst2021.gov.pl/

present

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

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: DENY
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains