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szn.pl

.pl crawl

First seen 2026-05-27 · Last seen 2026-05-27 · ok HTTP/1.1 200 481 ms crawled 2026-05-30

PL · 213.155.160.20 · AS13119 Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server
nginx

DNS records live

NS
  • ns1.aci.com.pl
  • ns2.aci.com.pl
MX
  • 0 szn.pl

Email authentication weak

SPF
v=spf1 +mx +a +ip4:213.155.160.0/27 -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA568mnBI3QqzXRSdKtjjy3/OaVLNDgLoj8v1cn9qxbVBXM1yzocz0Hq72oFVEwjOCNIUcQOXDufbVir…
selectors probed

Certificate (current)

R13
from 2026-04-10 to 2026-07-09
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (1)