indexo.dev

sierpc.com.pl

.pl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 1870 ms crawled 2026-06-01

PL · 212.85.102.136 · AS12824 home.pl sp. z o.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sierpc online - strona miasta

Technology

Server
IdeaWebServer
jQuery
1.11.2 known XSS (<3.5)
Stack
PHP

Third-party hosts loaded (2)

  • www.facebook.com×1
  • www.radio7.pl×1

Social

Contact

Email

DNS records live

NS
  • dns.home.pl
  • dns2.home.pl
  • dns3.home.pl
MX
  • 10 sierpc.com.pl

Email authentication weak

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
not published
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxZEoqnukzbERagR9et4V6+4oCfeqKiOf7oeGYG307pdv5eDe62KdTVxLJP5LlDZCmx5DlqUrUqxwvZ…
selectors probed

Certificate (current)

home pl DV TLS G2 R35 CA
from 2026-02-11 to 2027-03-13
Expires in 284 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.sierpc.com.pl/

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

Links to (4)

Linked from (1)