bicycletheory.com

.com crawl

First seen 2026-05-19 · Last seen 2026-06-04 · ok HTTP/1.1 200 272 ms crawled 2026-05-27

US · 162.159.134.42 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Bicycle Theory | BT builds, hosts and supports websites.
Description: Bicycle Theory designs and builds websites from simple brochure sites to complex customized systems, and also provides managed hosting services.
Language: en-US
Canonical: https://bicycletheory.com/

Open Graph

url: https://bicycletheory.com/
title: Bicycle Theory | BT builds, hosts and supports websites.
locale: en_US
site name: Bicycle Theory
description: Bicycle Theory designs and builds websites from simple brochure sites to complex customized systems, and also provides managed hosting services.

Technology

CDN: Cloudflare
CMS: WordPress

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Registration

Registrar

GoDaddy.com, LLC

Created

2002-01-31

Expires

2027-01-31 240 days left

Updated

2025-11-29

Name servers

lady.ns.cloudflare.com
pablo.ns.cloudflare.com

DNS records live

NS

lady.ns.cloudflare.com
pablo.ns.cloudflare.com

MX

10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
20 alt2.aspmx.l.google.com
30 aspmx2.googlemail.com
30 aspmx3.googlemail.com

TXT

ca3-daa4a1a4baee4359898eed03fac4093d

Verified for

Google

Email authentication weak

SPF: v=spf1 mx include:_spf.google.com include:relay.kinstamailservice.com include:sendgrid.net ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-03-29 to 2026-06-27

Expires in 22 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://bicycletheory.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