indexo.dev

systematic.pl

.pl dns

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 196 ms crawled 2026-06-01

PL · 91.230.221.80 · AS57121 IT Systematic Group

Reputation 87/100 weak security headers weak subdomain policy

Classifying

HTML metadata

Title
Internet systematic.pl

Technology

Server
Apache

DNS records live

NS
  • ns1.systematic.pl
  • ns2.systematic.pl
  • ns3.systematic.pl
MX
  • 10 mx.systematic.pl
Verified for
  • Google

Email authentication strong

SPF
v=spf1 a mx ip4:91.230.221.64/27 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; pct=100; sp=none; rua=mailto:hostmaster@systematic.pl
policy: quarantine · sp=none
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-03-21 to 2026-06-19
Expires in 14 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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