indexo.dev

clojurekoans.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-11 · ok HTTP/1.1 200 498 ms crawled 2026-05-14

US · 54.208.186.182 · AS14618 Amazon.com, Inc.

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title
Clojure Koans

Technology

Server
Heroku

Social

Registration

Registrar
1API GmbH
Created
2010-08-20
Expires
2026-08-20 92 days left
Updated
2026-05-12
Name servers
  • ns1.dnsimple-edge.com
  • ns2.dnsimple-edge.net
  • ns3.dnsimple-edge.io
  • ns4.dnsimple-edge.org

DNS records live

NS
  • ns1.dnsimple-edge.com
  • ns2.dnsimple-edge.net
  • ns3.dnsimple-edge.io
  • ns4.dnsimple-edge.org
TXT
  • ALIAS for www.clojurekoans.com

Email authentication no MX

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

Certificate (current) wrong cert

Amazon RSA 2048 M01
from 2025-12-31 to 2027-01-29
Expires in 254 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://clojurekoans.com/

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

Links to (6)

Linked from (1)