indexo.dev

challenge.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP/1.1 307 325 ms crawled 2026-05-31

US · 192.124.249.3 · AS30148 Sucuri

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
You are being redirected...

Technology

Server
Sucuri

Registration

Registrar
GoDaddy.com, LLC
Created
1998-11-20
Expires
2026-11-19 170 days left
Updated
2025-11-20
Name servers
  • 11.sucuridns.com
  • 15.sucuridns.com
  • 17.sucuridns.com
  • 18.sucuridns.com

DNS records live

NS
  • 11.sucuridns.com
  • 15.sucuridns.com
  • 17.sucuridns.com
  • 18.sucuridns.com
MX
  • 10 challenge-com.mail.protection.outlook.com
TXT
  • +Qn6ERamlEc/KYKF1RIYlKKC49FscjsfvZ/Q+PpNgaNsEMvxCzTNhI3i06lon94UukJDZ+Ns/lUKs/EPsFiKMw==
Verified for
  • GlobalSign
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2026-04-23 to 2026-07-22
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://challenge.com/

present
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests;

Linked from (1)