indexo.dev

theory11.com

.com crawl

First seen 2026-04-12 · Last seen 2026-04-12 · ok HTTP/1.1 200 1627 ms crawled 2026-05-04

US · 104.26.2.26 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
theory11 | Learn Magic Tricks & Shop the World's Finest Playing Cards
Description
theory11 is the largest producer of premium, designer playing cards - and the best place to learn incredible, mind-blowing magic tricks and cardistry.
Language
en

Open Graph

title
theory11 — Learn Magic Tricks, Card Tricks & Cardistry
locale
en_US
site name
theory11
description
theory11 is the largest producer of premium, designer playing cards - and the best place to learn incredible, mind-blowing magic tricks and cardistry.

Technology

CDN
Cloudflare
CMS
Shopify
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts

Third-party hosts loaded (5)

  • a.klaviyo.com×1
  • cdn.shopify.com×1
  • fast.a.klaviyo.com×1
  • googletagmanager.com×1
  • use.typekit.net×1

Registration

Registrar
Cloudflare, Inc.
Created
2007-02-14
Expires
2027-02-14 270 days left
Updated
2025-01-15
Name servers
  • bob.ns.cloudflare.com
  • dana.ns.cloudflare.com

DNS records live

NS
  • bob.ns.cloudflare.com
  • dana.ns.cloudflare.com
MX
Show 7 MX records
  • 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
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com
TXT
Show 11 TXT records
  • v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:shops.shopify.com include:shopify.com include:servers.mcsv.net include:mailgun.org ~all
  • anthropic-domain-verification-t89m6z=ZcX16EB7j4SAv2ovoRXmUxtbf
  • apple-domain-verification=yJkVQM12AGrbcmHcR3MfuL61I5XhexDBEJl48KbKBHs
  • facebook-domain-verification=by2z38hg8n5m0hujd11kqmwmw2c9wb
  • google-site-verification=5rgYh0LWagEDsi22xaErUr5kIZS5e-8O7BRtmuX2JdI
  • google-site-verification=8_zWs-cLrE0TQ8_mAFBBDt1wkBBIESGvJ78I9lXkVhU
  • google-site-verification=CIiFF9exhCeEritRKt2w5WnwtzcsusFW-k-kWX6mTrs
  • google-site-verification=L48PUhhXlVkEZLjXlYR506px8G9zzq9dDm99tsSeyJo
  • google-site-verification=bxlb7yHWYy7qJHzlIwgkQJVyksA78kZDJxny4Dl_AKs
  • klaviyo-site-verification=H9G6Sm
  • shopify-verification-code=3ooGEvCYXDIj2XFvfhVm8IKrHFOY2t

Certificate (current)

WE1
from 2026-04-16 to 2026-07-15
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.theory11.com/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
findings
  • short HSTS max-age
  • CSP uses wildcard sources
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
content-security-policy
frame-src *
strict-transport-security
max-age=0; preload

Linked from (1)