siera-academy.org

.org crawl

First seen 2026-04-16 · Last seen 2026-05-14 · ok HTTP/1.1 200 1834 ms crawled 2026-05-11

DE · 195.216.198.222 · AS44499 GRASS-MERKUR GmbH & Co. KG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title

SIERA Academy

Language

en-US

Generator

WordPress 6.9.4

Canonical

https://siera-academy.org/

Translations

de ×2
en ×2

Feeds

SIERA Academy » Feed RSS
SIERA Academy » Comments Feed RSS

Technology

Server: nginx
CMS: WordPress

Analytics

Google Tag Manager

Social widgets

Vimeo Embed

Third-party hosts loaded (3)

www.googletagmanager.com×2
gmpg.org×1
player.vimeo.com×1

Registration

Registrar

IONOS SE

Created

2024-10-14

Expires

2026-10-14 146 days left

Updated

2025-11-28

Name servers

ns1020.ui-dns.org
ns1051.ui-dns.biz
ns1069.ui-dns.de
ns1118.ui-dns.com

DNS records live

NS

ns1020.ui-dns.org
ns1051.ui-dns.biz
ns1069.ui-dns.de
ns1118.ui-dns.com

MX

0 sieraacademy-org01c.mail.protection.outlook.com

Email authentication weak

SPF: v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-12 to 2026-07-11

Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://siera-academy.org/

present

permissions-policy

findings

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

Header values

permissions-policy: private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")