indexo.dev

crypto51.app

.app crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 495 ms crawled 2026-06-03

US · 104.21.63.96 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Cost of a 51% Attack for Different Cryptocurrencies | Crypto51
Language
en

Technology

CDN
Cloudflare
jQuery
3.2.1 known XSS (<3.5)
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • maxcdn.bootstrapcdn.com×2
  • code.jquery.com×1
  • www.googletagmanager.com×1

Contact

Phone

DNS records live

NS
  • beth.ns.cloudflare.com
  • theo.ns.cloudflare.com
MX
  • 0 mail1.epicconstructions.com
TXT
  • hns-claim:aakhjyfr2yt6fhk7mj4s77mdonvoqg6z2yzp4oblaeaaaaaaaaaklzaororjdpl6qzexi75h7ofhv447lownw5btzuxvs4ibaaaaautcqf3q
Verified for
  • Brave

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-31 to 2026-08-29
Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.crypto51.app/

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

Linked from (1)