indexo.dev

solve.edu.pl

.pl crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 616 ms crawled 2026-05-31

PL · 156.17.4.90 · AS8970 Wroclaw Centre of Networking and Supercomputing

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Solve 4

Technology

Server
nginx
CMS
Gatsby
jQuery
3.7.0

Third-party hosts loaded (2)

  • cdnjs.cloudflare.com×12
  • cdn.jsdelivr.net×2

Contact

Phone

DNS records live

NS
  • ns1.aftermarket.pl
  • ns2.aftermarket.pl
MX
  • 10 mail.solve.edu.pl

Email authentication weak

SPF
v=spf1 a mx -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-03-28 to 2026-06-26
Expires in 26 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (2)