indexo.dev

sheldonbrown.com

.com crawl

First seen 2026-04-17 · Last seen 2026-05-12 · ok HTTP/1.1 200 2335 ms crawled 2026-05-12

US · 208.77.210.8 · AS13438 Vivio Technologies

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sheldon Brown-Bicycle Technical Information
Description
A go-to source of information about bicycle maintenance, repair and customization
Language
en

Technology

Server
Apache
Analytics
  • Google Tag Manager
Ads
  • Google AdSense

Third-party hosts loaded (6)

  • pagead2.googlesyndication.com×1
  • translate.google.com×1
  • www.google.com×1
  • www.googletagmanager.com×1
  • www.lijit.com×1
  • www.paypal.com×1

Social

Registration

Registrar
Network Solutions, LLC
Created
1996-01-02
Expires
2028-01-01 592 days left
Updated
2024-11-02
Name servers
  • ns1.netcetra.com
  • ns2.netcetra.com

DNS records live

NS
  • ns1.netcetra.com
  • ns2.netcetra.com
MX
  • 15 sheldonbrown.com.inbound15.mxlogic.net
  • 15 sheldonbrown.com.inbound15.mxlogicmx.net

Email authentication weak

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

Certificate (current)

R12
from 2026-05-06 to 2026-08-04
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sheldonbrown.com/

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

Links to (1)

Linked from (2)