zielonyinstytut.pl

.pl crawl

First seen 2026-05-22 · Last seen 2026-05-31 · ok HTTP/1.1 200 1869 ms crawled 2026-05-28

PL · 194.181.228.135 · AS8308 Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title

Zielony Instytut

Language

pl-PL

Generator

Canonical

http://zielonyinstytut.pl/

Feeds

Technology

Server: nginx
CMS: WordPress
PHP: 5.6.40 end of life

Fonts

Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×4
www.google.com×2
s.w.org×1
translate.google.com×1

Social

DNS records live

NS

ns5.webd.pl
ns7.webd.pl

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Email authentication weak

SPF

not published

DMARC

not published

DKIM

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwJBIWDj1FE7UCaEYSdPe3ZtW2OkQUh03IH6lxDfReBnvWNGT6OYJY+4W6nJErDZu4o5W+sI+gqa6cw…

selectors probed

Certificate (current) wrong cert

Certum DV TLS G2 R39 CA

from 2026-05-04 to 2026-11-19

Expires in 170 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://zielonyinstytut.pl/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy