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mdn.nl 200
🔒 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 →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 71d
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 →
216.198.79.1
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
37
mob
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 37
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Mobile
Score
Accessibility
Best Practices
SEO
LCP
24.30s
CLS
0.017
FCP
6.66s
TTFB
0.31s
TBT
737ms
SI
15.42s
Checked: 2026-09-05 22:41:01.77249 · View on PageSpeed
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 1
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☁️ Hosting
Vercel
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) | 216.198.79.1 |
| NS | ns1.transip.nlns2.transip.euns0.transip.net |
| MX | 10 mx1.cloudorb.com20 mx2.cloudorb.com |
| TXT (5) |
Services configured via TXT:
Google
+3 other TXT record(s)
Show all TXT recordsmandrill_verify.LXJdFK3ctKD6_6fbiZCJNA brevo-code:52e225540b702ee6263ff941d64ad102 anthropic-domain-verification-qk1v92=zYty2MvYpib4fowMPgbCZw9Ai v=spf1 include:spf.cloudorb.com include:_spf.realworks.nl ~all google-site-verification=GA8D1J20_s0nF5sTPo6WwDQc8FuQTzaJSgwzMn9qwW4 |
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 | 2001-03-21 |
| Expires | N/A |
| Last Updated | 2021-11-04 |
| 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) | mdn.nl |
| Issuer | Let's Encrypt |
| Valid From | 2026-09-28 |
| Valid Until | 2026-12-27 (71 days left) |
| SANs (1) | mdn.nl |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | Vercel |
| Content-Type | text/html |
| Final URL | https://www.mdn.nl/ |
| strict-transport-security | max-age=63072000 |
| cache-control | public, max-age=0, must-revalidate |
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 →
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| IP Address | 216.198.79.1 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
F (2/7)
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Sitemap & Robots
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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
Areas hidden from crawlers:
API & endpoints
1
Show raw disallow rules (1)
/api/
| Sitemap | Found 189 pages |
| Last modified | 2026-10-14 |
Social & Meta Tags
Complete
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| Title | Makelaardij De Nederlanden |
| Description | Makelaardij De Nederlanden verkoopt, koopt, verhuurt en taxeert in Amsterdam, het Gooi en de Vechtstreek. Sinds 2004, ook in het Engels. Vraag kosteloos uw verkoopplan aan. |
| OG Title | Makelaardij De Nederlanden |
| OG Description | Makelaardij De Nederlanden verkoopt, koopt, verhuurt en taxeert in Amsterdam, het Gooi en de Vechtstreek. Sinds 2004, ook in het Engels. Vraag kosteloos uw verkoopplan aan. |
| OG Image | https://www.mdn.nl/img/deel-mdn.png |
| OG Type | website |
| OG Site Name | Makelaardij De Nederlanden |
| Twitter Card | summary_large_image |
| Canonical URL | https://www.mdn.nl/ |
| Language | 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.cloudorb.com include:_spf.realworks.nl ~all |
| DMARC | ✓ Present v=DMARC1; p=none; rua=mailto:[email protected] |
| MX Records | 10 → mx1.cloudorb.com 20 → mx2.cloudorb.com |
Other TLDs Other top-level domain variants of this domain name and their availability. 20 active 3 for sale
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 478ms |
| Last Checked | 2026-10-15 18:30:53.616744 |
| Uptime (30d) | 100% |