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First seen 2026-04-14 · Last seen 2026-05-06 · ok HTTP/1.1 200 730 ms crawled 2026-05-08

US · 128.59.105.24 · AS14 Columbia University

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title
Gutenberg-e Home
Description
Columbia University's Online E-Book project. Sign up for a free trial now!

Technology

Server
Apache

Registration

Registrar
GoDaddy.com, LLC
Created
2000-09-25
Expires
2029-09-25 1224 days left
Updated
2024-10-03
Name servers
  • ext-ns1.columbia.edu
  • ext-ns2.columbia.edu

DNS records live

NS
  • ext-ns1.columbia.edu
  • ext-ns2.columbia.edu

Email authentication no MX

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

Certificate (current) wrong cert

InCommon RSA Server CA 2
from 2026-04-07 to 2026-10-23
Expires in 156 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://gutenberg-e.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)