papersizes.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2867 ms crawled 2026-05-07

DE · 52.57.221.121 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: International Paper Sizes, Formats & Standards Explained
Description: An explanation of the ISO 216 paper size format standard, including definition of A series paper sizes (A3, A4, A5 etc)
Language: en
Canonical: https://www.papersizes.org/

Open Graph

url: https://www.papersizes.org/
title: International Paper Sizes, Formats & Standards Explained
site name: Paper Sizes
description: An explanation of the ISO 216 paper size format standard, including definition of A series paper sizes (A3, A4, A5 etc)

Technology

Server: Microsoft-IIS

Analytics

Google Tag Manager

Third-party hosts loaded (3)

privacy.gatekeeperconsent.com×1
the.gatekeeperconsent.com×1
www.googletagmanager.com×1

Registration

Registrar

Moniker Online Services LLC

Created

2009-06-19

Expires

2026-06-19 30 days left

Updated

2025-11-25

Name servers

duck.ezoicns.com
lion.ezoicns.com
seal.ezoicns.com
tang.ezoicns.com

DNS records live

NS

duck.ezoicns.com
lion.ezoicns.com
seal.ezoicns.com
tang.ezoicns.com

MX

10 ezmail.papersizes.org

TXT

google-site-verification=GQU434W7xwVY-pNiRWrtaeSf0r0ZosgmESXMmNDR0ZI

Email authentication partial

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

Certificate (current)

from 2026-03-16 to 2026-06-14

Expires in 26 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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