postal-markings.org

.org crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 453 ms crawled 2026-06-02

US · 75.98.175.94 · AS55293 A2 Hosting, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Auxiliary Markings Club - Home Page
Description: The auxiliary markings club bibliography - postal-markings.org - for philatelists and stamp collectors who enjoy the study of postal markings.

Technology

Server: LiteSpeed

Third-party hosts loaded (2)

www.w3.org×1
www2.clustrmaps.com×1

DNS records live

NS

ns1.supercp.com
ns2.supercp.com
ns3.supercp.com
ns4.supercp.com

MX

0 postal-markings.org

Email authentication weak

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

Certificate (current)

R13

from 2026-04-07 to 2026-07-06

Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://postal-markings.org/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains

Links to (5)

Linked from (3)