indexo.dev

cryptoctf.org

.org crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 3214 ms crawled 2026-05-16

SE · 80.78.30.34 · AS39287 Materialism s.r.l.

Reputation 100/100

Classifying

Technology

Server
nginx

Registration

Registrar
Tucows Domains Inc.
Created
2018-06-20
Expires
2027-06-20 396 days left
Updated
2025-10-22
Name servers
  • 1-you.njalla.no
  • 2-can.njalla.in
  • 3-get.njalla.fo

DNS records live

NS
  • 1-you.njalla.no
  • 2-can.njalla.in
  • 3-get.njalla.fo
MX
  • 10 mail.protonmail.ch
  • 20 mailsec.protonmail.ch
TXT
  • protonmail-verification=4d2ef89e2442ca21d49d57398ec3019413d0a87d

Email authentication strong

SPF
v=spf1 include:_spf.protonmail.ch ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-03-10 to 2026-06-08
Expires in 19 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://cryptoctf.org/

present
  • x-frame-options
  • referrer-policy
  • permissions-policy
  • cross-origin-opener-policy
  • cross-origin-resource-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
DENY
permissions-policy
geolocation=(), microphone=(), camera=(), payment=()
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
same-origin

Linked from (1)