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studentonline.nl 🔒 SSL Valid
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
N/A
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 58d
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 →
Cloudflare
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
0/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.21.39.209
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.
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No technologies detected
Screenshot
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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) | 172.67.148.127104.21.39.209 |
| AAAA (IPv6) | 2606:4700:3034::6815:27d12606:4700:3031::ac43:947f |
| NS | melinda.ns.cloudflare.comchris.ns.cloudflare.com |
| MX | 20 relay.transip.nl10 mail.studentonline.nl |
| TXT (1) |
v=spf1 a mx ip4:185.104.28.172 ~all |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | team.blue nl B.V. |
| Registered | 2005-10-02 |
| Expires | N/A |
| Last Updated | 2021-04-01 |
| Status | active |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | studentonline.nl |
| Issuer | Google Trust Services |
| Valid From | 2026-09-27 |
| Valid Until | 2026-12-26 (58 days left) |
| SANs (2) | studentonline.nl*.studentonline.nl |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | N/A |
| Server | N/A |
| Content-Type | N/A |
| Final URL | https://studentonline.nl/ |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more → CDN: Cloudflare
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ℹ️ This site uses a CDN. The location shown is the CDN edge server, not the origin server.
| IP Address | 104.21.39.209 |
| Provider | Cloudflare |
| Organization | Cloudflare, Inc. |
| ASN | AS13335 |
| Location | San Francisco, California, US |
| Coordinates | 37.7621, -122.3971 |
Security Score
F (1/7)
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Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
| Sitemap | Not found |
Social & Meta Tags
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No meta tags detected.
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 a mx ip4:185.104.28.172 ~all |
| DMARC | Not set |
| MX Records | 20 → relay.transip.nl 10 → mail.studentonline.nl |
Other TLDs Other top-level domain variants of this domain name and their availability. 11 active 3 for sale 9 available
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Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.