librarystack.org

.org crawl

First seen 2026-04-16 · Last seen 2026-05-14 · ok HTTP/1.1 200 3266 ms crawled 2026-05-11

US · 172.67.74.52 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

LIBRARYSTACK∎

Language

en-US

Generator

WordPress 6.8.5

Feeds

RSS 2.0 RSS
Atom 0.3 Atom

Technology

CDN: Cloudflare
CMS: WordPress

Analytics

Cloudflare Insights

Third-party hosts loaded (1)

static.cloudflareinsights.com×1

Registration

Registrar

1API GmbH

Created

2015-08-20

Expires

2026-08-20 92 days left

Updated

2025-11-25

Name servers

gabriel.ns.cloudflare.com
nova.ns.cloudflare.com

DNS records live

NS

gabriel.ns.cloudflare.com
nova.ns.cloudflare.com

MX

10 mail.protonmail.ch
20 mailsec.protonmail.ch

TXT

google-site-verification=oHFBZDafgUjQWzXz8GF_HiDUKUaEvmfjrzJdQf2YGV4
protonmail-verification=edc847ffc3bbafbf3616aa1e24a6c98d1f7422fc

Email authentication partial

SPF

v=spf1 include:_spf.protonmail.ch a mx include:relay.kinstamailservice.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyyOB9LbQ4L5rvkEIjWaOyiwTmtgnZTlR47auZ5IuhVjycm6tM954si6xhSSGfJBZILccyCI3XRCUaz412z…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr88sUTcJ0AgC2FjmoDciBvLAs+U+xQGY9SMi6vDAOh9oUyIvAW1JUtZh79iOpQ6e9Sdnfk8gL8KzxyPQh0…

selectors probed

Certificate (current)

from 2026-03-26 to 2026-06-25

Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.librarystack.org/

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