🌐 psu.nl 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 49d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
1/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
83.172.182.31
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
N/A
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 4
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📝 CMS
Joomla
🔤 Font/Icon
Font Awesome
📦 JS Library
jQuery
🖥️ Web Server
Apache 2
📸 Screenshot Processing...
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⏳

Screenshot is being captured...

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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A (IPv4)83.172.182.31
AAAA (IPv6)2a02:cec0:10:12a::1
NSns1.ivin.nlns3.ivin.nlns4.ivin.nlns2.ivin.nl
MX10 psu-nl.mail.protection.outlook.com
TXT (3)
Services configured via TXT:
Adobe Microsoft 365
Show all TXT records
MS=ms63649342
adobe-idp-site-verification=7bda2c7655f62de2c42e5534c518c771309bcadc9bff54470a69948f429c557d
v=spf1 include:_spf.ubeeo.nl include:spf.protection.outlook.com a ip4:188.240.54.87 ip4:37.97.226.126 ip4:81.21.184.98 ip4:81.21.176.90 ip4:62.21.130.5/27 ip4:212.241.39.112/29 a:smtp.schoolwerkplek.nl include:_spf.wiscollect.nl -all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarThe Registrar Company B.V.
Registered2000-02-27
ExpiresN/A
Last Updated2025-05-28
Statusactive
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)www.psu.nl
IssuerSectigo Limited
Valid From2025-12-05
Valid Until2026-12-05 (49 days left)
SANs (2)www.psu.nlpsu.nl
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
ServerApache/2
Content-Typetext/html; charset=utf-8
Final URLhttps://psu.nl/
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
cache-controlno-store, no-cache, must-revalidate, post-check=0, pre-check=0
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address83.172.182.31
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score C (4/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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Partially restricted
Some areas are hidden from crawlers, but the main content stays open to search engines.
Areas hidden from crawlers:
🔑 Admin & login 1 ⚙️ CMS internals 3 🔌 API & endpoints 1 📁 Other paths 10
Show raw disallow rules (15)
/administrator/
/api/
/bin/
/cache/
/cli/
/components/
/includes/
/installation/
/language/
/layouts/
/libraries/
/logs/
/modules/
/plugins/
/tmp/
Sitemap Not found
🔗 Social & Meta Tags Missing
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TitleWelkom op de website van PSU!
Languagenl-nl
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPF✓ Present
v=spf1 include:_spf.ubeeo.nl include:spf.protection.outlook.com a ip4:188.240.54.87 ip4:37.97.226.126 ip4:81.21.184.98 ip4:81.21.176.90 ip4:62.21.130.5/27 ip4:212.241.39.112/29 a:smtp.schoolwerkplek.nl include:_spf.wiscollect.nl -all
DMARC✓ Present
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
MX Records
10 → psu-nl.mail.protection.outlook.com
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 18 active 5 for sale
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.com ●
.net taken
.org ●
.info ●
.io ●
.co ●
.dev taken
.app taken
.me ●
.biz ●
.eu ●
.xyz ●
.fi taken
.se ●
.de ●
.uk ●
.fr taken
.nl current
.es ●
.it ●
.us ●
.ca ●
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.