indexo.dev

cryptopals.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 998 ms crawled 2026-05-18

US · 65.9.46.94 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
The Cryptopals Crypto Challenges

Technology

CDN
Amazon CloudFront
Server
AmazonS3
CMS
Gatsby

Registration

Registrar
EuroDNS S.A.
Created
2014-07-30
Expires
2026-07-30 72 days left
Updated
2025-07-24
Name servers
  • ns1.ebrand.be
  • ns2.ebrand.be
  • ns3.ebrand.be
  • ns4.ebrand.be

DNS records live

NS
  • ns1.ebrand.be
  • ns2.ebrand.be
  • ns3.ebrand.be
  • ns4.ebrand.be
MX
  • 0

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1;p=reject
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M01
from 2025-12-13 to 2027-01-12
Expires in 238 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://cryptopals.com/

present
  • content-security-policy
findings
  • missing HSTS
  • CSP allows unsafe inline scripts/styles
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
script-src 'strict-dynamic' 'unsafe-inline' http: https:; object-src 'none'; base-uri 'none'; require-trusted-types-for 'script';

Links to (3)

Linked from (2)