indexo.dev

cs171.org

.org crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 6109 ms crawled 2026-05-08

US · 69.163.142.211 · AS26347 New Dream Network, LLC

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
CS 171 - Visualization
Language
en-US

Technology

CDN
Fastly
Server
GitHub.com

Registration

Registrar
DreamHost, LLC
Created
2008-01-10
Expires
2028-01-10 600 days left
Updated
2025-12-28
Name servers
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com

DNS records live

NS
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com
MX
  • 0 aspmx.l.google.com

Email authentication weak

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

Certificate (current) wrong cert

sni.dreamhost.com
from 2023-04-03 to 2033-03-31
Expires in 2508 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.cs171.org/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)