righto.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-17 · ok HTTP/1.1 200 881 ms crawled 2026-05-06

US · 188.114.97.3 · AS13335 Cloudflare, Inc.

Reputation 92/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Ken Shirriff's blog
Generator
blogger
Canonical
https://www.righto.com/
Feeds

Open Graph

url
http://www.righto.com/
title
Ken Shirriff's blog
description
Computer history, restoring vintage computers, IC reverse engineering, and whatever

Technology

CDN
Cloudflare
CMS
WordPress

Third-party hosts loaded (5)

  • lh3.googleusercontent.com×8
  • www.blogger.com×6
  • img1.blogblog.com×2
  • resources.blogblog.com×2
  • f.convertkit.com×1

Social

Contact

Phone

Registration

Registrar
Cloudflare, Inc.
Created
1998-06-12
Expires
2026-06-11 23 days left
Updated
2025-03-13
Name servers
  • derek.ns.cloudflare.com
  • uma.ns.cloudflare.com

DNS records live

NS
  • derek.ns.cloudflare.com
  • uma.ns.cloudflare.com
MX
  • 38 route1.mx.cloudflare.net
  • 55 route3.mx.cloudflare.net
  • 9 route2.mx.cloudflare.net

Email authentication strong

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: v=DKIM1; p=
  • s2: v=DKIM1; p=
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

WE1
from 2026-04-13 to 2026-07-12
Expires in 54 days

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.righto.com/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (39)

Linked from (7)