indexo.dev

developerdays.eu

.eu crawl

First seen 2026-04-23 · Last seen 2026-05-16 · ok HTTP/1.1 200 7478 ms crawled 2026-05-16

PL · 91.219.122.70 · AS35787 Miroslaw Backiel

Reputation 87/100 weak security headers no dmarc policy

sector other type parked

DNS records live

NS
  • dns1.tld.pl
  • dns2.tld.pl
  • dns3.tld.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
TXT
  • google-site-verification=WIYdvLIdrmbF6rno1KKQwe_udFZoznGuVwoHT60QD5k

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-13 to 2026-08-11
Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://developerdays.eu/

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

Linked from (2)