indexo.dev

os.pl

.pl dns crawl

First seen 2026-05-30 · Last seen 2026-06-01 · ok HTTP/1.1 200 612 ms crawled 2026-05-31

FR · 51.68.180.148 · AS16276 OVH SAS

Reputation 87/100 weak security headers spf without fallback

Classifying

HTML metadata

Title
os.pl

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

DNS records live

NS
  • ns1.sbteam.pl
  • ns2.sbteam.pl
MX
  • 10 poczta.os.pl

Email authentication strong

SPF
v=spf1 redirect=_spf.poczta.os.pl
missing all
DMARC
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:spam-reports@os.pl; ruf=mailto:spam-reports@os.pl; adkim=r; aspf=r; fo=1
policy: quarantine · sp=quarantine
DKIM
  • default: v=DKIM1; k=rsa; t=y; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtbfoYRvzPSh79n6lQpjpMPhTor23g240YPp+IUAKuc0IpbIETxv1M+9psFNa0OY4HhVEwC07z…
selectors probed

Certificate (current)

R12
from 2026-05-03 to 2026-08-01
Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)