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oreilly.de 200
🔒 SSL Valid
✨ About this site
This is the German-language online presence for O'Reilly, a well-established and globally recognized publisher of books and learning resources focused on IT, software development, and business. It serves as a specialist storefront and informational hub for technology professionals, developers, and marketers seeking practical know-how. The site is widely used and trusted within the tech community as an authoritative source for industry literature.
📊 What the data says
The website runs on the WordPress CMS with the Atomion theme, utilizing WooCommerce, Font Awesome, and jQuery on an Nginx server. It is currently returning a 200 HTTP status and maintains a valid SSL certificate until December 9, 2026.
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 45d
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 →
0/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
109.71.73.205
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
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. 5
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📝 CMS
WordPress 6.9.10
🛒 Ecommerce
WooCommerce
🔤 Font/Icon
Font Awesome
📦 JS Library
jQuery
🖥️ Web Server
Nginx
CMS Details WordPress
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🎨 Theme
Wordpress Theme Atomion (wordpress-theme-atomion)
Parent: wordpress-theme-atomion-child
Parent: wordpress-theme-atomion-child
🏗️ Page Builder
Gutenberg (Block Editor)
🔌 Plugins (5)
Block Options
WooCommerce
Woocommerce German Market
Wp Carousel Pro
Yoast SEO
Screenshot
Processing...
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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) | 109.71.73.205 |
| NS | ns2.nanocomp.comns1.nanocomp.comns3.nanocomp.com |
| MX | 10 mx1.heinlein-support.de20 mx3.heinlein-support.de10 mx2.heinlein-support.de |
| TXT (2) |
+1 other TXT record(s)
Show all TXT recordsv=spf1 mx a include:spf.nl2go.com ip4:188.40.159.224/28 ip4:88.198.30.128/29 ip4:188.40.133.15 ip4:188.40.73.88 ip4:194.8.219.19/29 -all v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGcsjRu7V9NzeNaZHPqmJ5UajPa2Mw1JE+ryZiaU0LG1RKoWNrUtrITc3BBDUMALYp2LgOFzvRzVRdurzoCGEIc0Z3VGyDVtfRogYYrywT4AkwG7VSGFZP2q47qW+hFkuY6jxMYEjly+lgNknO8u02ArQUKw37FsvzthHj5DGwUQIDAQAB; |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | N/A |
| Registered | N/A |
| Expires | N/A |
| Last Updated | N/A |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | oreilly.de |
| Issuer | Let's Encrypt |
| Valid From | 2026-09-10 |
| Valid Until | 2026-12-09 (45 days left) |
| SANs (4) | oreilly.atoreilly.dewww.oreilly.atwww.oreilly.de |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | nginx |
| Content-Type | text/html; charset=UTF-8 |
| Final URL | https://oreilly.de/ |
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 | 109.71.73.205 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
F (1/7)
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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
Cart & checkout
2
Show raw disallow rules (6)
/wp-content/uploads/wc-logs/
/wp-content/uploads/woocommerce_transient_files/
/wp-content/uploads/woocommerce_uploads/
/*?add-to-cart=
/*?*add-to-cart=
/wp-admin/
| Sitemap | Found 5 sitemaps (index) pages |
| Last modified | 2026-10-25T01:31:41+00:00 |
Social & Meta Tags
Complete
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| Title | Startseite • O'Reilly |
| Description | O'Reilly-Bücher vermitteln Ihnen praxisorientiertes Know-how zu zukunftsweisenden Technologien und Methoden aus IT, Marketing und Business. |
| OG Title | Startseite • O'Reilly |
| OG Description | O'Reilly-Bücher vermitteln Ihnen praxisorientiertes Know-how zu zukunftsweisenden Technologien und Methoden aus IT, Marketing und Business. |
| OG Image | https://oreilly.de/wp-content/uploads/2026/10/BlueWeek-A-Aktionsstart-dp-slider-gross-scaled.png |
| OG Type | website |
| OG Site Name | O'Reilly |
| Twitter Card | summary_large_image |
| Language | de |
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 mx a include:spf.nl2go.com ip4:188.40.159.224/28 ip4:88.198.30.128/29 ip4:188.40.133.15 ip4:188.40.73.88 ip4:194.8.219.19/29 -all |
| DMARC | ✓ Present v=DMARC1; p=none; |
| MX Records | 10 → mx1.heinlein-support.de 20 → mx3.heinlein-support.de 10 → mx2.heinlein-support.de |
Other TLDs Other top-level domain variants of this domain name and their availability. 17 active 3 for sale 3 available
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 791ms |
| Last Checked | 2026-10-21 09:45:18.228961 |
| Uptime (30d) | 100% |
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