instaling.pl

.pl crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 223 ms crawled 2026-05-31

PL · 194.1.144.207 · AS43476 leniwiec.biz Grzegorz Kulewski

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Insta.Ling - skuteczna nauka słówek
Language: pl

Technology

Server: nginx
CMS: Gatsby
jQuery: 3.5.1
Stack: PHP

Analytics

Google Tag Manager

Third-party hosts loaded (3)

fundingchoicesmessages.google.com×1
tags.refinery89.com×1
www.googletagmanager.com×1

Social

Contact

Email

instaling@instaling.pl

DNS records live

NS

ns1.atinea.net
ns1.atinea.pl
ns2.atinea.net
ns2.atinea.pl

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Verified for

Google

Email authentication partial

SPF

v=spf1 mx ip4:194.1.144.0/24 include:_spf.google.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc@instaling.pl

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAioO/YdwdIS0OpXPBxJVYxjGSzSpD3wU5jSW9CUlMeJ0IoyX2BZK6RSbnZSxnCeEWCVEBlG4sgfa93vO…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

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

Expires in 171 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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