indexo.dev

shiftleft.org

.org crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 1009 ms crawled 2026-05-08

NL · 172.233.56.96 · AS63949 Akamai Connected Cloud

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
shiftleft.org — mike's papers
Language
en

Technology

Server
nginx

Registration

Registrar
Cloudflare, Inc.
Created
2006-05-17
Expires
2031-05-17 1824 days left
Updated
2026-04-11
Name servers
  • ryleigh.ns.cloudflare.com
  • todd.ns.cloudflare.com

DNS records live

NS
  • ryleigh.ns.cloudflare.com
  • todd.ns.cloudflare.com
MX
  • 25 mockingbird.shiftleft.org

Email authentication weak

SPF
v=spf1 a mx a:mockingbird.shiftleft.org -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-02 to 2026-07-01
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.shiftleft.org/

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

Links to (9)

Linked from (2)